Chocolate Cake with Mayonnaise

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Moist, rich, and absolutely irresistible, this Chocolate Cake with Mayonnaise is a retro gem that deserves a comeback. It may sound unusual, but mayonnaise replaces the oil and eggs in traditional cake recipes, bringing an extra dose of moisture and depth of flavor that turns every bite into a fudgy dream. Perfect for birthdays, holidays, or a decadent weeknight treat, this cake is beloved by chocolate lovers who crave an ultra-moist crumb and intense cocoa flavor.

The best part? You probably have all the ingredients on hand already. No need to run to the store for butter or eggs. Just mix, bake, and frost with your favorite chocolate icing. This cake stays tender for days (if it lasts that long), making it ideal for prepping ahead or gifting.

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What Kind of Mayonnaise Should I Use?

Always go with real, full-fat mayonnaise for the best texture and flavor. Brands like Hellmann’s or Duke’s work beautifully. Avoid light or fat-free versions, as they can affect the richness and moisture balance of the cake.

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Ingredients for the Chocolate Cake with Mayonnaise

All-Purpose Flour
Forms the structure of the cake while staying tender when paired with mayonnaise.

Unsweetened Cocoa Powder
Provides the rich, deep chocolate flavor. Use high-quality cocoa for best results.

Baking Soda
Gives the cake a beautiful rise and fluffy crumb.

Granulated Sugar
Sweetens the cake and helps create a balanced chocolate profile.

Mayonnaise
The secret ingredient! It adds both fat and moisture, resulting in a silky texture.

Vanilla Extract
Rounds out the chocolate with warm, aromatic notes.

Cold Water
Helps bring the batter together and creates a light, pourable consistency.

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How To Make the Chocolate Cake with Mayonnaise

Step 1: Prepare the Pans

Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans. Line the bottoms with parchment paper for easier removal.

Step 2: Mix the Dry Ingredients

In a large bowl, whisk together flour, cocoa powder, baking soda, and sugar until evenly combined.

Step 3: Add the Wet Ingredients

Stir in the mayonnaise and vanilla extract. Then gradually add the cold water, whisking until the batter is smooth and glossy.

Step 4: Bake to Perfection

Divide the batter evenly between the pans and bake for 30-35 minutes, or until a toothpick comes out with just a few moist crumbs.

Step 5: Cool and Frost

Allow the cakes to cool in the pans for 10 minutes, then turn out onto wire racks to cool completely. Frost with your favorite chocolate frosting or ganache.

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How to Serve and Store Your Chocolate Cake with Mayonnaise

Serve this cake as-is or with a scoop of vanilla ice cream for an indulgent twist. It pairs wonderfully with coffee, milk, or a rich dessert wine.

To store, keep the cake in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week. You can also freeze unfrosted layers for up to 2 months—wrap tightly in plastic and foil.

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Frequently Asked Questions

How does mayonnaise work in cake?

Mayonnaise contains eggs and oil, which provide the fat and moisture needed in a cake. It blends seamlessly into the batter, enhancing the texture without tasting like mayo.

Can I make this into cupcakes?

Absolutely! Fill cupcake liners 2/3 full and bake for 18–22 minutes.

Is this cake freezer-friendly?

Yes. Wrap the unfrosted cake layers tightly and freeze for up to two months. Thaw at room temperature before frosting.

Can I use Dutch-processed cocoa powder?

Yes, but be aware that Dutch-processed cocoa is less acidic and may affect the cake’s rise. Stick with natural cocoa powder for best results.

Can I add chocolate chips or espresso powder?

Yes! A handful of mini chocolate chips or a teaspoon of espresso powder can deepen the flavor even more.

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Want More Cake Ideas with a Twist?

If you love this moist Chocolate Cake with Mayonnaise, try these other crowd-pleasers:

• Bonnies Blue Ribbon Chocolate Dream Cake
• Cherry Layer Cake with Cherry Cream Cheese Frosting
• Amish Applesauce Cake
• Strawberry Cheesecake Poke Cake
• Old Fashioned Egg Custard Pie

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Save This Pin + Share Your Results

📌 Save this recipe to your Pinterest dessert board so you can come back to it any time.

And let me know in the comments how yours turned out. Did you stick with classic frosting or add a twist? Any fun mix-ins?

I love seeing your creative takes on these recipes. Questions and tips are always welcome—let’s bake better together!

For even more dessert inspiration, follow me on Pinterest at Life with Jam.

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