Velvet Moisture Cake

Old-Fashioned Chocolate Mayonnaise Cake: The Secret to Unbeatable Moisture and Flavor

Step back in time to discover the magic of a truly old-fashioned treat: the chocolate mayonnaise cake. This classic recipe offers an incredibly soft, fluffy, and moisture-rich dessert, achieving its remarkable texture without a drop of traditional oil or butter. It serves as the perfect foundation for a lavish, thick, and wonderfully sweet layer of chocolate frosting, creating a harmonious symphony of flavors and textures that will captivate any chocolate lover. Prepare to redefine your expectations of homemade chocolate cake with this time-honored baking secret.

spatula lifting a piece of Mayonnaise Cake, showcasing its moist texture and rich frosting

Why This Timeless Chocolate Mayonnaise Cake Recipe is a Must-Try


Are you tired of dry, crumbly, or overly dense chocolate cakes? It’s time to embrace a simple yet revolutionary ingredient that transforms your baking: mayonnaise. This classic **chocolate mayonnaise cake recipe** is renowned for producing a dessert that is unbelievably moist, intensely rich, and bursting with decadent chocolate flavor. Using mayonnaise in place of conventional fats like oil or butter isn’t just a quirky trick; it’s a brilliant baking hack that dates back to the Great Depression in the 1930s. During times of scarcity, resourceful home bakers discovered that mayonnaise, a readily available emulsion of oil, eggs, and vinegar, provided all the necessary elements—fat, moisture, and binding agents—to create an exceptionally tender crumb. This “secret ingredient” ensures an ultra-moist cake that remains fresh longer, without imparting any mayonnaise flavor whatsoever. Instead, it deepens the cake’s richness and provides an unparalleled melt-in-your-mouth texture. Once you experience the superior moistness and profound chocolate taste of this **mayonnaise cake**, you’ll understand why this old-fashioned method has stood the test of time.

a delightful slice of Chocolate Mayonnaise Cake with a bite taken out, revealing its moist interior

Essential Ingredients for Your Moist Mayonnaise Cake


Crafting this delightful **chocolate mayonnaise cake** requires a straightforward list of pantry staples, proving that extraordinary flavor doesn’t need complicated components. For your convenience, you can find all precise measurements, a comprehensive list of ingredients, and detailed instructions in the printable version of this recipe, located at the very end of this post. Gather your ingredients, and let’s get ready to bake a cake that will become an instant family favorite!

a collection of baking ingredients laid out for making Mayonnaise Cake

Ingredient Deep Dive & Smart Substitution Suggestions


To ensure your **chocolate mayonnaise cake** turns out perfectly moist and flavorful every time, understanding the role of each ingredient and potential substitutions is key. Here’s a closer look:

CAKE BASE – The foundation of any great cake lies in its base ingredients. For this **mayonnaise cake**, the interplay of flour, cocoa, sugar, leavening agents, and the liquid components creates its signature texture. If you find yourself without eggs, you can indeed omit them from the recipe. Through extensive testing, we’ve observed that while the cake will still be moist and delicious without eggs, it tends to be slightly recessed in the middle. Eggs primarily contribute to the cake’s structure and fluffiness, so their absence results in a denser, yet still palatable, crumb. Some vintage mayonnaise cake recipes famously skip eggs, oil, and even milk, relying solely on mayonnaise for moisture and binding. However, we’ve found that omitting milk as well can lead to a more crumbly texture. The milk plays a vital role in providing essential liquid for proper binding and ensuring a truly moist and cohesive crumb. We recommend using whole milk for the richest flavor and best texture, but buttermilk or 2% milk can be substituted successfully. Buttermilk, with its slight acidity, can even enhance the cake’s tenderness and react with the baking soda for an even better rise. Always ensure your liquid ingredients, especially eggs, are at room temperature, as this helps them emulsify better with other ingredients, resulting in a smoother batter and a more uniform cake.

FROSTING – This recipe provides for a generously thick, luscious layer of chocolate frosting. It is technically a doubled recipe, designed to give you that indulgent, towering frosting experience. If you prefer a lighter touch or simply want to reduce the sweetness, you can easily halve the frosting recipe. You’ll still have plenty to cover the entire top of the cake, just with a thinner, more delicate layer. While a rich chocolate frosting is the classic pairing for this **chocolate mayonnaise cake**, don’t hesitate to experiment if you’re looking for a different flavor profile. Not a fan of chocolate on chocolate? Consider a tangy cream cheese frosting, a classic vanilla buttercream for a subtle contrast, or even a savory-sweet peanut butter frosting from our fudge brownies recipe. Each option offers a unique way to enjoy this versatile chocolate cake.

Step-by-Step: Crafting Your Perfect Chocolate Mayonnaise Cake


These step-by-step photos and detailed instructions are provided to help you visualize the process of making this incredible **chocolate mayonnaise cake**. For a printer-friendly version of this recipe, complete with precise measurements and comprehensive instructions, simply Jump to Recipe at the bottom of this page.

  1. Begin by preheating your oven to 350°F (175°C). While the oven heats, take a 13×9 inch baking dish and generously spray it with a nonstick baking spray. Set this prepared dish aside, ready for your cake batter.
  2. In a large mixing bowl, combine all your dry ingredients. Carefully measure and whisk together the 2 cups of all-purpose flour, ½ cup of unsweetened cocoa powder, 2 cups of granulated sugar, 2 teaspoons of baking soda, and 1 teaspoon of salt. Whisk thoroughly for about 1-2 minutes to ensure all ingredients are well combined and there are no lumps, creating a uniform dry mixture. This step is crucial for an even rise and consistent flavor in your **mayonnaise cake**.cocoa powder, granulated sugar, baking soda, and salt meticulously whisked together in a bowl
  3. In a separate, medium-sized bowl, prepare your wet ingredients. Whisk together the ½ cup of whole milk (or your chosen substitute), 2 large eggs (preferably at room temperature for better emulsification), 1 cup of mayonnaise, and 2 teaspoons of vanilla extract. Mix until smooth and well integrated. This liquid base is what gives this **chocolate mayonnaise cake** its unique moistness.wet ingredients including eggs, milk, mayonnaise, and vanilla being whisked together in a separate bowl
  4. Now, gradually begin to incorporate the wet ingredients into the dry ingredients. Pour the wet mixture into the bowl with the dry ingredients and stir gently. At this stage, the mixture will be quite thick and somewhat stiff. Once partially combined, slowly pour 1 cup of hot water over the mixture. Continue stirring until a smooth, uniform batter forms. Avoid overmixing; stir just until no streaks of dry ingredients remain.

    EXPERT TIP – The inclusion of hot water is a time-honored technique, particularly effective in chocolate cake recipes. Hot water plays a dual role: it helps to “bloom” the cocoa powder, intensifying its chocolate flavor and color, and also aids in dissolving the granulated sugar and other dry ingredients, resulting in a smoother, more tender cake crumb. This ensures your **chocolate mayonnaise cake** has a deep, rich flavor and a wonderfully moist texture.

    hot water being carefully added to the thick chocolate cake batter in a bowl

  5. Carefully transfer the rich, smooth cake batter into your previously prepared 13×9 inch baking dish. Use a spatula to scrape down the sides of the bowl and ensure all the batter is evenly spread in the dish.smooth chocolate mayonnaise cake batter settled into a baking dish, ready for the oven
  6. Place the baking dish in the preheated oven and bake for 40-45 minutes. To check for doneness, insert a toothpick into the center of the cake. It should come out with a few moist crumbles, not wet batter. If it comes out clean, it may be slightly overbaked, but will still be delicious.
  7. Once baked, remove the cake from the oven and allow it to cool completely on a wire rack. This is a crucial step before frosting; frosting a warm cake will cause the frosting to melt and slide off.
  8. While your cake cools, prepare the luxurious chocolate frosting. In a large mixing bowl, beat together the softened 1½ cups of salted butter, 2 teaspoons of vanilla extract, and 1 cup of unsweetened cocoa powder until the mixture is smooth and glossy. Gradually alternate adding the 5 cups of powdered sugar and 1½ cups of heavy whipping cream. Continue beating until all ingredients are fully incorporated, and the frosting achieves a wonderfully smooth, light, and fluffy consistency. This generous amount of frosting ensures every slice of your **chocolate mayonnaise cake** is perfectly complemented.softened butter and cocoa powder expertly combined in a mixing bowl for the frostingpowdered sugar being gradually added to the rich chocolate frosting mixturea hand mixer expertly incorporating all chocolate frosting ingredients until smooth and fluffy
  9. Once the **chocolate mayonnaise cake** has completely cooled, generously spread the prepared chocolate frosting evenly over the top. Cut the cake into squares or desired portions and serve. Prepare for rave reviews! Enjoy this moist and decadent treat.a beautifully frosted chocolate cake, topped with a thick layer of chocolate frosting, ready to be served

Common Questions & Expert Baking Tips for Your Mayonnaise Cake


Do I absolutely need to use eggs in this mayonnaise cake recipe?

While the recipe calls for eggs, they are not strictly mandatory for a delicious **mayonnaise cake**. We conducted thorough testing and found that including eggs contributes significantly to a fluffier, more evenly risen cake. When eggs were omitted, the cake still turned out moist and flavorful, but it tended to have a slightly recessed or sunken middle. If you have dietary restrictions or simply prefer to skip them, you can leave the eggs out and still achieve a wonderfully moist and tasty cake, just with a minor cosmetic difference in its center. The mayonnaise itself provides enough fat and some binding power.

What exactly does mayonnaise contribute to a cake, and will my cake taste like mayonnaise?

Mayonnaise is a fantastic “secret ingredient” that brings incredible moisture and richness to a cake when used as a substitute for traditional oil or butter. Because it’s an emulsion of oil, egg yolks, and vinegar, it provides fat for tenderness, emulsifiers for a smooth batter, and a touch of acidity that can react with baking soda to aid in leavening. This combination results in an exceptionally moist crumb that stays fresh for longer. Crucially, your cake will absolutely NOT taste like mayonnaise in the slightest. The subtle flavors of mayonnaise are completely masked by the cocoa powder and vanilla extract during baking, leaving you with pure, decadent chocolate goodness. For the best results, always opt for real, full-fat mayonnaise. Low-fat or light versions contain more water and various stabilizers, which can compromise the cake’s desired moisture and texture.

How should I store my chocolate mayonnaise cake to keep it fresh?

To maintain the superb moistness and flavor of your **chocolate mayonnaise cake**, proper storage is essential. You can store the cake covered with an airtight lid or tightly wrapped in plastic wrap in the refrigerator for up to 7 days. If you prefer to keep it at room temperature, it will remain fresh and delicious for up to 3 days when kept covered on the countertop. Always ensure it’s protected from air exposure to prevent it from drying out.

Can I freeze this chocolate mayonnaise cake for later enjoyment?

Absolutely! This **mayonnaise cake** freezes exceptionally well, making it perfect for preparing ahead of time or enjoying leftovers. To freeze, allow the cake to cool completely after baking. Then, wrap it tightly with multiple layers of plastic wrap, followed by a layer of aluminum foil, to prevent freezer burn. You can freeze the cake either frosted or unfrosted. When properly wrapped, it can be stored in the freezer for up to 3 months. To thaw, simply transfer it to the refrigerator overnight or allow it to come to room temperature on the counter before serving.

What type of cocoa powder is best for this chocolate mayonnaise cake?

For this recipe, unsweetened cocoa powder is recommended. You can use natural unsweetened cocoa powder or Dutch-processed cocoa powder. Natural cocoa powder is slightly acidic and reacts with the baking soda to help the cake rise, contributing to a lighter texture. Dutch-processed cocoa powder is less acidic and provides a darker color and a mellower chocolate flavor. Both work beautifully in this **chocolate mayonnaise cake**; choose based on your preference for intensity and color. Just ensure it’s unsweetened to control the sugar content in the recipe.

How do I achieve a perfectly smooth, lump-free cake batter?

Achieving a smooth, lump-free batter is key to a perfectly textured **mayonnaise cake**. The initial whisking of dry ingredients ensures no pockets of flour or baking soda. When combining wet and dry, start by stirring gently until just moistened. The hot water addition is crucial here; it helps dissolve sugars and bloom cocoa, making the batter easier to smooth out. Stir just until combined, avoiding overmixing, which can develop the gluten in the flour too much, leading to a tough cake. A few small lumps are acceptable, but any large clumps should be gently broken up.

Mayonnaise Cake beautifully cut into perfect squares, ready to be served

Delightful Serving Suggestions for Your Chocolate Mayonnaise Cake


While this **chocolate mayonnaise cake** is truly exceptional when adorned with a generous, fluffy layer of classic chocolate frosting, its rich, moist nature makes it incredibly versatile for a variety of serving styles. Beyond the standard chocolate-on-chocolate, you can experiment with other delightful frosting options to suit any preference or occasion. Consider a tangy cream cheese frosting for a refreshing contrast, a smooth vanilla buttercream for a lighter touch, a deeply rich chocolate fudge frosting for ultimate indulgence, or even a unique peanut butter frosting for a sweet and savory twist. A luxurious ganache poured over the top can also create a stunning and delicious finish. For an extra touch of elegance, garnish your slices with fresh berries, a dusting of cocoa powder, chocolate shavings, or a dollop of whipped cream. This **old-fashioned chocolate cake** pairs wonderfully with a tall, cold glass of milk, a warm cup of coffee, or a scoop of vanilla bean ice cream. Serve it at room temperature to appreciate its tender crumb, or chilled for a firmer, denser bite – the choice is entirely yours! This cake is perfect for celebrations, casual desserts, or simply as a comforting treat.

Discover More Irresistible Chocolate Recipes


If your love for chocolate runs deep after enjoying this incredible **chocolate mayonnaise cake**, you’re in luck! We have a treasure trove of other delightful chocolate recipes that are sure to satisfy your cravings. Explore these other fantastic creations:

  • No-Bake Chocolate Lasagna
  • Decadent Chocolate Poke Cake
  • Refreshing Chocolate Mint Brownies
  • Classic German Chocolate Cake
  • Indulgent Double Chocolate Cupcakes
  • Rich Chocolate Cheesecake Brownies

I absolutely adore sharing my passion for baking and cooking, and love bringing my kitchen adventures right to your screen! It can be a challenge to remember to check for new recipes every day, so to make it easier, I offer a convenient newsletter that delivers a fresh recipe directly to your inbox with every new post. Simply subscribe today and start receiving your free daily dose of delicious inspiration!

slice of chocolate Mayonnaise Cake with rich chocolate frosting

Chocolate Mayonnaise Cake

This old-fashioned **chocolate mayonnaise cake** is the secret to an incredibly moist, rich, and decadently flavorful dessert. Made without traditional butter or oil, it’s one of the best ways to achieve a perfectly tender chocolate cake that stays fresh for days.

5 from 64 votes

IMPORTANT – Don’t miss the Frequently Asked Questions and Expert Tips section within the blog post! It offers valuable insights and troubleshooting advice for this recipe. Simply scroll back up to read them for a perfect bake!

Print It
Pin It
Rate It
Save ItSaved!

Prevent your screen from going dark
Course: Dessert
Cuisine: American
Servings: 12 servings
1 hour 55 minutes
Calories: 877
Author: Amanda Davis

Ingredients

For the Exceptionally Moist Chocolate Cake

  • 2 cups all-purpose flour
  • ½ cup unsweetened cocoa powder (for rich chocolate flavor)
  • 2 cups granulated sugar
  • 2 teaspoons baking soda (for leavening)
  • 1 teaspoon salt (to balance sweetness)
  • ½ cup whole milk you can use buttermilk or 2% as well for moistness
  • 2 large eggs at room temperature, for best emulsion
  • 1 cup mayonnaise (the secret to ultimate moisture)
  • 2 teaspoons vanilla extract (for enhanced flavor)
  • 1 cup hot water (to bloom cocoa and aid batter consistency)

For the Decadent Chocolate Frosting

  • 1 ½ cups salted butter softened, for creamy texture
  • 2 teaspoons vanilla extract
  • 1 cup unsweetened cocoa powder (for rich chocolate flavor)
  • 5 cups powdered sugar (confectioners’ sugar)
  • 1 ½ cups heavy whipping cream (to achieve fluffy consistency)

Things You’ll Need to Bake This Mayonnaise Cake

  • 13×9 baking dish (for a perfectly sized cake)
  • Hand mixer (for smooth batter and fluffy frosting)
  • Large mixing bowls (at least two, for wet and dry ingredients)
  • Whisk or sturdy spatula (for combining ingredients)

Before You Begin: Helpful Tips for Your Chocolate Mayonnaise Cake

  • The chocolate frosting recipe provided is generous, yielding a beautifully thick and luscious layer. If you prefer a thinner coating or wish to reduce the sweetness, you can easily halve the frosting recipe. You will still have ample frosting to cover the entire top of your **chocolate mayonnaise cake**.
  • For dietary reasons or personal preference, if you do not have eggs or choose to omit them from the cake recipe, the cake will still turn out moist and delicious. However, be aware that it may have a slightly recessed middle compared to a cake made with eggs, as eggs contribute to structure and lift.
  • Some traditional mayonnaise cake variations omit eggs, oil, and milk entirely. Through our recipe development, we found that versions without milk tend to be more crumbly. The inclusion of milk is crucial as it significantly adds binding power, helping the cake to hold together with a desirable moist crumb. Feel free to substitute whole milk with buttermilk or 2% milk; we achieved excellent results with whole milk in our tests.
  • To store your baked **chocolate mayonnaise cake**, ensure it is covered with an airtight lid or tightly wrapped with plastic wrap. It will keep fresh in the refrigerator for up to 7 days. Alternatively, you can leave the covered cake on the countertop for up to 3 days. For longer storage, this cake freezes beautifully for up to 3 months.
  • Always ensure your cold ingredients, especially eggs and milk, are at room temperature before mixing. This helps them emulsify better with the mayonnaise, creating a smoother batter and a more uniform, tender cake crumb.

Detailed Instructions for Baking Your Perfect Mayonnaise Cake

  • Preheat your oven to 350°F (175°C). Prepare your 13×9 inch baking dish by spraying it thoroughly with a nonstick cooking spray, ensuring all corners and sides are coated. Set the dish aside.
  • In a large bowl, whisk together the dry ingredients: 2 cups of all-purpose flour, ½ cup of unsweetened cocoa powder, 2 cups of granulated sugar, 2 teaspoons of baking soda, and 1 teaspoon of salt. Whisk well until all ingredients are thoroughly combined and no lumps remain.
  • In a separate, medium-sized bowl, combine all the wet ingredients. Whisk together the ½ cup of whole milk (or chosen substitute), 2 large room-temperature eggs, 1 cup of mayonnaise, and 2 teaspoons of vanilla extract until the mixture is smooth and evenly blended.
  • Pour the wet ingredient mixture into the large bowl containing the dry ingredients. Begin stirring until just moistened. The batter will be very thick at this stage. Gradually pour the 1 cup of hot water over the mixture, continuing to stir until a smooth, uniform chocolate batter is formed. Be careful not to overmix; stop once no dry streaks are visible.

    TIP – Hot water is a traditional technique used to help break down dry ingredients in a cake batter, particularly beneficial in chocolate recipes for blooming the cocoa powder and enhancing its flavor and color.

  • Carefully transfer the prepared **chocolate mayonnaise cake** batter into the greased 13×9 inch baking dish, spreading it evenly with a spatula.
  • Bake in the preheated oven for 40-45 minutes. The cake is ready when a wooden toothpick inserted into the center comes out with a few moist crumbles, but no wet batter.
  • Once baked, remove the cake from the oven and place it on a wire rack to cool completely to room temperature. This step is crucial before applying frosting.
  • To prepare the frosting, in a large mixing bowl, beat together the 1½ cups of softened salted butter, 2 teaspoons of vanilla extract, and 1 cup of unsweetened cocoa powder until the mixture is smooth and glossy. Gradually add the 5 cups of powdered sugar and 1½ cups of heavy whipping cream, alternating between the two, until all ingredients are fully incorporated and the frosting is smooth, light, and wonderfully fluffy.
  • Once the **chocolate mayonnaise cake** is completely cooled, generously spread the prepared chocolate frosting over the top. Cut into squares, serve, and enjoy your incredibly moist and flavorful creation!

Nutrition Information for Chocolate Mayonnaise Cake

Serving: 1slice | Calories: 877cal | Carbohydrates: 107g | Protein: 7g | Fat: 51g | Saturated Fat: 25g | Polyunsaturated Fat: 10g | Monounsaturated Fat: 13g | Trans Fat: 1g | Cholesterol: 135mg | Sodium: 706mg | Potassium: 255mg | Fiber: 5g | Sugar: 84g | Vitamin A: 1220IU | Vitamin C: 0.2mg | Calcium: 64mg | Iron: 3mg
Tried this Recipe? Pin it for Later!Follow on Pinterest @AmandasCookin or tag #AmandasCookin!

The recipes on this blog are tested with a conventional gas oven and gas stovetop. It’s important to note that some ovens, especially as they age, can cook and bake inconsistently. Using an inexpensive oven thermometer can assure you that your oven is truly heating to the proper temperature. If you use a toaster oven or countertop oven, please keep in mind that they may not distribute heat the same as a conventional full sized oven and you may need to adjust your cooking/baking times. In the case of recipes made with a pressure cooker, air fryer, slow cooker, or other appliance, a link to the appliances we use is listed within each respective recipe. For baking recipes where measurements are given by weight, please note that results may not be the same if cups are used instead, and we can’t guarantee success with that method.