Web Admin / Monday, June 13, 2022

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Chocolate Mayonnaise Cake

I’m going to say it…the “M” word…this chocolate mayonnaise cake is moist, decadent, and so delicious! And it is topped with the most creamy chocolate cream cheese frosting! You’re going to fall in love with it!

What was the “M” word? Mayo or moist? Hahaha…originally I was thinking “moist” because it’s so taboo, but then I realized that some of you might have thought I meant “mayonnaise”. Mayonnaise in a cake? Heck yes!

A dessert plate with a piece of chocolate mayonnaise cake frosted with chocolate cream cheese frosting. There are two more plates of cake in the background.

Ok so this is typical me, but I heard about mayo cake as a kid and swore it off. First of all, I grew up on Miracle Whip. Say whatever you want, it happened. And I loved it on a grilled cheese Anyway!!!

As an adult everyone was swearing by it and I’ll be honest, mom’s chocolate zucchini cake is more moist and delicious (thank you zucchini!) in my humble opinion, but I have worked out the kinks and practiced and perfected and finally humbly bow to the Southerners that swore I just HAD TO TRY IT. It is moist and delicious and you were all right!

Ingredients for Chocolate Mayonnaise Cake

Something so delicious shouldn’t be so easy! The list of ingredients is brief and just the basics. You might just have everything already in the pantry and fridge. Cha-ching!

Cake

Flour – just all purpose is great!
Cocoa Powder – we like unsweeted Hershey’s but any cocoa powder will work fine.
Sugar – just good ol’ white sugar
Baking Soda – make sure it’s fresh!
Salt – every baked good needs a little salt!
Vanilla – flavor, flavor, flavor!
Mayonnaise – replaces the oil and eggs, don’t use a light mayo
Water – make sure it is HOT, hot water awakens the flavor of the cocoa powder

Chocolate Frosting

Cream Cheese – any brand will do and make sure it is room temperature!
Butter – unsalted and room temperature
Cocoa Powder – same note as above
Powdered Sugar – we always go with C&H brand
Vanilla – flavor baby!
Milk or Chocolate Milk – if you want to go over the top, use chocolate milk!

The measurements for each ingredient can be found in the recipe card below.

A piece of chocolate mayonnaise cake that has a bite taken out of it. It is frosted with chocolate cream cheese frosting. Other servings of cake are in the background.

How to Make Chocolate Mayonnaise Cake

How many times can I say that this cake is easy? Well, I’m going to say it one more time…this cake is so easy to make. Mix everything together, pour in a baking pan, and bake. The frosting is just as simple. Dangerous, I know!

For the Cake

Preheat the oven and grease your baking pan.
Whisk all the ingredients together in a large bowl.
- PRO TIP: Stop whisking as soon as the batter comes together. An overmixed cake is a dry cake.
Pour the batter into your baking dish.
Bake.

For the Frosting

Mix all of the ingredients together until it is smooth.
- PRO TIP: It is crucial that your butter and cream cheese are both room temperature. If you try to add either of them cold, you’ll have lumpy frosting.
Wait for the cake to cool completely then spread all over the top.

All the specifics can be found in the recipe card below.

A 9x13 chocolate mayonnaise cake. There is a mound of chocolate frosting in the middle that has not been spread over the cake yet. A frosting spatula is next to the cake.

Do You Have To Refrigerate Mayonnaise Cake?

The unfrosted cake can be stored at room temperature.

Some frostings are ok at room temperature also, but if you use a cream cheese frosting on mayonnaise cake, it needs to be refrigerated.

How Long Will Mayonnaise Cake Keep?

Mayonnaise cake will keep for 3-4 days.

Can You Freeze Chocolate Mayonnaise Cake?

Yes, absolutely! Let it cool completely, then wrap it tightly in plastic wrap followed by a layer of foil. It will keep in the freezer for up to 3 months.

Three white dessert plates each holding a serving of chocolate mayonnaise cake with chocolate cream cheese frosting.

What Does Mayonnaise Do For Cake?

Mayonnaise is made from oil and eggs, and it will boost the moisture level in a cake recipe when added to the batter.

How Can I Substitute Mayonnaise in a Cake Mix?

Substitute the oil and eggs with mayonnaise.

If the mix calls for 1/3 cup oil and 2 eggs, simply leave the eggs and oil out and add 1/3 cup mayonnaise.

Or you can substitute the mayonnaise for oil and keep the eggs.

A piece of chocolate mayonnaise cake with chocolate cream cheese frosting. A fork full has been cut off and the fork with cake on it is next to the plate.

Chocolate mayonnaise cake…don’t knock it ’til you try it (saying to my younger self)! The mayo makes it so moist! Chocolate cake also has never been easier…just mix, bake, devour!

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Chocolate Mayonnaise Cake

Course 500+ Best Dessert Recipes

Cuisine American

Keyword chocolate, chocolate cake

Prep Time 10 minutes

Cook Time 30 minutes

Total Time 40 minutes

Servings

Calories 338kcal

Author Sweet Basil