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5 from 8 votes

Chocolate Mayonnaise Snackin Cake

The mayonnaise takes the place of the eggs and oil and just makes a rich, moist chocolate cake.   Just add some ice cream or whipped cream on top for a treat your family and friends will love. 

Prep Time10 mins
Cook Time40 mins
Total Time50 mins
Course: Cake
Cuisine: American
Keyword: Chocalate Mayonnaise Snackin Cake
Servings: 8 servings
Author: The Southern Lady Cooks



  • 2 cups all-purpose flour
  • 3/4 cup white granulated sugar
  • 1/4 cup 100% cocoa
  • 1 1/2 teaspoons baking soda
  • 1/4 teaspoon salt
  • 1 cup buttermilk
  • 1 cup mayonnaise can use Miracle Whip, too
  • 1 teaspoon vanilla extract
  • 1/2 cup chocolate chips


  • 4 tablespoons butter
  • 1/4 cup milk
  • 1/2 cup white granulated sugar
  • 1/2 cup chocolate chips
  • 1/4 cup 100% cocoa
  • 1 teaspoon vanilla extract
  • 1 cup nut pieces walnuts or pecans



  • Whisk together the flour, sugar, cocoa, baking soda and salt in a large mixing bowl until well mixed. Add the buttermilk, mayonnaise, vanilla extract and chocolate chips. Stir well to blend with a spoon. Spray a 9 x 9 baking dish with cooking spray and bake in a preheated 350 degree oven for 40 to 45 minutes until center tests done as ovens vary. Remove from oven and let cool.


  • Combine butter, milk, sugar, chocolate chips and cocoa in a sauce pan on top of the stove. Bring to a boil and boil one minute stirring often to keep from burning. If you think it is burning turn down the heat and slide to the edge of the burner. Remove and spread on top of cooled cake. Sprinkle nuts on top or you can stir nuts into the frosting before putting on the cake.