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Chocolate Mayonnaise Cake

This 7 ingredient Chocolate Mayonnaise Cake is moist, simple, and tastes divine! Enjoy it warm with a rich chocolate fudge sauce, chopped walnuts, and vanilla ice cream. 

Course Dessert
Cuisine American
Keyword mayonnaise cake
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 9
Calories 605 kcal
Author Amanda Rettke

Ingredients

Cake:

  • 2 cups (256g) all-purpose flour
  • 1 cup (200g) granulated sugar
  • 6 tablespoons (44g) cocoa powder
  • 2 teaspoons baking soda
  • 1 cup (237g) water
  • 1 cup (232g) mayonnaise
  • 1 teaspoon vanilla extract

Fudge Sauce:

  • 3/4 cup (179g) heavy cream
  • 1 cup semi-sweet chocolate chips 6 ounces
  • toasted walnuts optional
  • vanilla ice cream optional

Instructions

Cake

  1. Preheat oven to 350°F. Grease a 9x9 inch baking pan.

  2. Whisk the flour, sugar, cocoa powder, and baking soda together in medium mixing bowl. Add the water, mayonnaise, and vanilla and mix until evenly combined. 

  3. Pour batter into the prepared baking pan. Bake for 25-30 minutes or until toothpick comes out mostly clean.

Fudge Sauce:

  1. Place chocolate chips in a bowl. Heat whipping cream, pour over chocolate chips, and cover. Let sit for 5 minutes and then whisk until smooth.
  2. Serve cake warm or reheat. Spoon fudge sauce on top of cake, sprinkle with walnuts, top with ice cream. Serve immediately.

Recipe Video