Chocolate Mayonnaise Cake 🍫🎂

If you’ve never baked with mayonnaise before, you’re in for a delicious surprise! This Chocolate Mayonnaise Cake is one of the richest, moistest chocolate cakes you’ll ever make. Chocolate Mayonnaise Cake uses mayonnaise in place of traditional oil and eggs, creating an incredibly tender crumb with deep chocolate flavor. Don’t worry—you won’t taste the mayonnaise! It simply adds richness and keeps the cake soft for days.

This vintage recipe has been a family favorite for generations and is perfect for birthdays, holidays, potlucks, or whenever a chocolate craving strikes.

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Why You’ll Love This Chocolate Mayonnaise Cake

This old-fashioned cake has stood the test of time.

Ultra Moist

Mayonnaise creates an incredibly soft, tender cake.

Rich Chocolate Flavor

Loaded with cocoa for a deep, satisfying chocolate taste.

Simple Pantry Ingredients

No fancy ingredients required.

Easy to Make

Perfect for beginner and experienced bakers alike.

Great for Any Occasion

Ideal for birthdays, family gatherings, or everyday desserts.

What Does Chocolate Mayonnaise Cake Taste Like?

This cake is deeply chocolatey, incredibly moist, and wonderfully soft. The mayonnaise adds richness without affecting the flavor, resulting in a cake that’s light, tender, and perfect with creamy chocolate frosting.

Benefits of Making Chocolate Mayonnaise Cake

Foolproof Recipe

Easy to prepare with consistent results.

Budget-Friendly

Made with common pantry staples.

Stays Fresh Longer

The mayonnaise helps keep the cake moist for several days.

Perfect for Decorating

A sturdy yet tender cake that’s great for layered cakes and sheet cakes.

Ingredients

For the Cake

• 2 cups all-purpose flour
• 1 cup unsweetened cocoa powder
• 1½ cups granulated sugar
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• ½ teaspoon salt
• 1 cup mayonnaise
• 1 teaspoon vanilla extract
• 1 cup warm water or brewed coffee

For the Chocolate Frosting

• ½ cup unsalted butter, softened
• ⅔ cup unsweetened cocoa powder
• 3 cups powdered sugar
• ⅓ cup milk
• 1 teaspoon vanilla extract

Optional Garnishes

• Chocolate curls
• Chocolate sprinkles
• Fresh berries
• Powdered sugar
• Mini chocolate chips

Kitchen Tools You’ll Need

Essential Equipment

• Two 9-inch round cake pans or one 9×13-inch baking pan
• Large mixing bowl
• Electric mixer
• Whisk
• Rubber spatula
• Cooling rack

Ingredient Additions and Substitutions

Customize this classic chocolate cake with your favorite flavors.

Add Chocolate Chips

Fold in:

• Semi-sweet chocolate chips
• Dark chocolate chunks
• White chocolate chips

Flavor Variations

Add:

• Espresso powder
• Cinnamon
• Almond extract
• Peppermint extract

Frosting Options

Top with:

• Chocolate buttercream
• Cream cheese frosting
• Chocolate ganache
• Whipped chocolate frosting

How to Make Chocolate Mayonnaise Cake

This rich cake comes together in just a few easy steps.

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C).

Grease and lightly flour your cake pans or baking dish.

Step 2: Mix the Dry Ingredients

In a large bowl, whisk together:

• Flour
• Cocoa powder
• Sugar
• Baking soda
• Baking powder
• Salt

Step 3: Add the Wet Ingredients

Add:

• Mayonnaise
• Vanilla extract
• Warm water or brewed coffee

Mix until smooth and fully combined.

Do not overmix.

Step 4: Bake

Pour the batter evenly into the prepared pan(s).

Bake:

• 9-inch round pans: 30–35 minutes
• 9×13-inch pan: 35–40 minutes

The cake is done when a toothpick inserted into the center comes out clean or with a few moist crumbs.

Cool completely before frosting.

Step 5: Prepare the Frosting

Beat the butter until creamy.

Mix in the cocoa powder.

Gradually add the powdered sugar, alternating with the milk.

Stir in the vanilla extract and beat until light and fluffy.

Step 6: Frost and Serve

Spread the frosting evenly over the cooled cake.

Decorate with your favorite toppings and slice to serve.

What to Serve with Chocolate Mayonnaise Cake

This decadent dessert pairs beautifully with:

Favorite Pairings

• Vanilla ice cream
• Fresh strawberries
• Hot coffee
• Cold milk
• Raspberry sauce
• Whipped cream

Storage Instructions

Room Temperature

Store covered for up to 3 days.

Refrigerator

Store in an airtight container for up to 1 week.

Bring to room temperature before serving for the best texture.

Freezer

Wrap the unfrosted cake tightly and freeze for up to 3 months.

Thaw overnight before frosting.

General Information

Chocolate Mayonnaise Cake became popular during the mid-20th century because mayonnaise provided both oil and eggs in one ingredient, making it a practical baking staple. Today, it’s cherished for its exceptionally moist texture and rich chocolate flavor, proving that sometimes the most unexpected ingredients create the best desserts.

Nutritional Information

Approximate values per serving (based on 12 servings):

• Calories: 435
• Protein: 5g
• Carbohydrates: 57g
• Fat: 22g
• Saturated Fat: 8g
• Fiber: 3g
• Sugar: 41g
• Sodium: 310mg

Nutrition values are approximate and may vary depending on the ingredients used.

Conclusion

This Chocolate Mayonnaise Cake is a timeless dessert that’s incredibly moist, rich, and full of deep chocolate flavor. With its simple ingredients and foolproof method, it’s an easy recipe that’s perfect for both everyday baking and special occasions.

Whether you frost it with classic chocolate buttercream or enjoy it with a dusting of powdered sugar, this old-fashioned cake is sure to become a favorite in your home.

If you make this recipe, leave a review and share your photos on Pinterest so others can enjoy this classic homemade chocolate cake too!

You May Also Enjoy

• Matilda Chocolate Cake
• Homemade Brownies
• Lunchroom Ladies Brownies
• Chocolate Lasagna
• No-Bake Chocolate Eclair Cake 🍫🎂