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Duke's Chocolate Mayonnaise Cake - so moist and rich!
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3 from 2 votes

Duke's Chocolate Mayonnaise Cake

Mayonnaise make an exceptionally moist and rich chocolate cake. This southern dessert is so easy and delicious!
Course Dessert
Cuisine Southern
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings 16
Calories 553kcal
Author Christin Mahrlig


  • 6 tablespoons unsweetened cocoa powder
  • 3 cups all-purpose flour
  • 1 tablespoon baking soda
  • 1/4 teaspoon salt
  • 1 1/2 cups sugar
  • 1 1/2 cups Duke's mayonnaise, use full fat
  • 1 1/2 teaspoon vanilla extract
  • 1 1/2 cups cold water

Chocolate Icing

  • 1 cup butter, softened
  • 1 cup unsweetened natural cocoa powder
  • 1 teaspoon vanilla extract
  • 5 to 6 cups confectioners' sugar
  • 6 or more tablespoons of milk


  • Preheat oven to 350°F and grease and flour two 8-inch cake pans.
  • Sift cocoa, flour, baking soda, salt and sugar into a medium bowl.
  • Combine mayonnaise, vanilla and water in an electric mixer at low speed. Once smooth, slowly add in dry mixture until just incorporated (do not over beat).
  • Pour batter into cake pans and bake for 30 minutes or until done.
  • Cool on wire racks.
  • For icing, In the bowl of an electric mixer, beat butter and cocoa with whisk attachment until smooth. Add vanilla. Add confectioners' sugar alternately with milk until icing reaches a spreadable consistency.
  • Spread a portion of the icing on top of one layer of cake. Stack the other layer on top. Use remaining icing to cover the top and sides.


Note: You may have a hard time frosting the sides of the cake without crumbs showing. If so, spread a thin layer of frosting on sides, refrigerate for 15 to 20 minutes and then do a second thicker coat.


Calories: 553kcal