Chocolate Mayonnaise Cake

September 18, 2009 | By andrea | Filed in: Baking, Cakes, Chocolate, Dessert, Recipes.


Little Guy had a birthday this week and requested chocolate cake as his special treat. Recently I’d run across a recipe for chocolate mayonnaise cake so I decided to give it a go. For me, my favorite part of the whole condiment-in-cake experience was when I was making it. The kids were watching me mixing the ingredients and started laughing when they saw me dumping mayonnaise into the mixing bowl. I’m not talking a giggle here and there but full-on, doubled-over laughter. I found out later that what made it so funny for my oldest child was that he thought his little brother was going to end up with a gross birthday cake. In his brain, mayonnaise goes on sandwiches not in cake. Fortunately, the cake turned out moist and quite tasty…there weren’t any complaints.

The cake recipe didn’t include a frosting recipe so I just made my own using cocoa, softened unsalted butter, powdered sugar, milk, and vanilla. If you don’t like winging it and need a recipe to follow, go to the Hershey’s website ( and try their “Perfectly Chocolate” Chocolate Frosting. I garnished the cake with white sprinkles and grated bittersweet chocolate. It was a happy day indeed!

Chocolate Mayonnaise Cake
-recipe from

Serves: 12

 2 cups all-purpose flour
2/3 cup unsweetened cocoa powder
1-1/4 tsp. baking soda
1/4 tsp. baking powder
3 eggs
1-2/3 cups sugar
1 tsp. vanilla extract
1 cup Hellmann’s® or Best Foods® Real Mayonnaise
1-1/3 cups water

1. Preheat oven to 350°. Grease and lightly flour two 9-inch round cake pans*; set aside.
2. In medium bowl, combine flour, cocoa, baking soda and baking powder; set aside.
3. In large bowl, with electric mixer at high speed, beat eggs, sugar and vanilla for 3 minutes or until light and fluffy. Beat in Hellmann’s® or Best Foods® Real Mayonnaise at low speed until blended. Alternately beat in flour mixture with water, beginning and ending with flour mixture. Pour into prepared pans.
4. Bake 30 minutes or until toothpick inserted in centers comes out clean. On wire racks, cool 10 minutes; remove from pans and cool completely. Frost, if desired, or sprinkle with confectioners sugar.
*Or, prepare cake mix as above in 13 x 9-inch baking pan and bake 40 minutes or until toothpick inserted in center comes out clean.

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5 comments on “Chocolate Mayonnaise Cake

  1. Mamahollioni says:

    I’ve used sour cream before in cakes, but never mayonnaise. I think I am with your oldest son…it just doesn’t sound right. Do you know what it is about mayonnaise that makes it a good condiment in cake??

  2. andrea says:

    The mayo (made of eggs and oil) is the substitute for oil or butter in this recipe, plus there’s an additional 3 eggs added to the batter. I know it sounds goofy but it works!

  3. Marianne says:

    I have 2 birthdays to celebrate and both kiddos requested chocolate cake,(thank God) for the same request! Anyhow, my mother use to make choc. mayo cake so in honor of her, I am going to make the chocolate cake a mayo one and use Andrea’s recipe. will let you know what they think.

  4. Jim says:

    I don’t think I’d make a cake like this. I use, flour, sugar, cocoa, baking powder, baking soda, canola oil, vanilla extract, eggs, milk, and boiling water. I know that the mayonnaise works in a chocolate cake with good results. My grandmother made a cake like this one time, but the idea of it seems weird to me.

  5. andrea says:

    Mayonnaise in cake does sound goofy but that’s what makes it fun. The cake doesn’t taste like mayonnaise…just moist and chocolatey. The mayo just replaces the oil and some of the eggs in this recipe. .