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Chocolate Mayonnaise Cake with Chocolate Buttercream Frosting

Heather BienHeather Bien
Duke's mayonnaise adds extra moisture and a decidedly Southern twist to classic chocolate cake.
4.17 from 49 votes
Prep Time 25 mins
Cook Time 40 mins
Course Dessert
Cuisine Southern
Servings 12 servings
Calories 509 kcal

Ingredients
  

Chocolate Cake

  • 2 cups flour
  • 1 cup sugar
  • 2 tsp baking soda
  • ½ cup unsweetened cocoa powder
  • 1 tsp vanilla extract
  • 1 cup Duke's mayonnaise
  • 1 cup water
  • 1 tbsp instant coffee powder

Chocolate Buttercream Frosting

  • cups butter slightly softened
  • 4 cups confectioners' sugar
  • ½ cup unsweetened cocoa powder
  • 2 tsp vanilla extract
  • 4 tbsp heavy whipping cream

Instructions
 

Chocolate Cake

  • Preheat oven to 350 degrees and grease two 9-inch round baking pans.
  • Mix dry ingredients, flour, sugar, baking soda, and cocoa powder well in large bowl.
  • Dissolve instant coffee powder in water.
  • Combine wet ingredients, vanilla extract, Duke’s mayonnaise, and coffee/water in another bowl.
  • Blend wet ingredients into dry. Mix until smooth.
  • Pour batter into two pans and bake for 30 minutes or until a toothpick inserted in the middle comes out clean.
  • Let cool before frosting.

Chocolate Buttercream Frosting

  • Using a mixer, beat butter on high speed until creamy and light.
  • Add cream and vanilla extract, beat until blended.
  • In another bowl, mix sugar and cocoa powder.
  • Slowly, add dry ingredients into wet and continue to mix on low speed.
  • Scrape bowl as needed to blend all ingredients thoroughly.

Notes

Note: Frosting can be made ahead and refrigerated! Just make sure you bring it back to room temperature before spreading.

Nutrition

Serving: 1SliceCalories: 509kcalCarbohydrates: 79gProtein: 4gFat: 40gSaturated Fat: 19gPolyunsaturated Fat: 9gMonounsaturated Fat: 10gTrans Fat: 1gCholesterol: 76mgSodium: 509mgPotassium: 162mgFiber: 3gSugar: 17gVitamin A: 795IUVitamin C: 1mgCalcium: 25mgIron: 2mg
Keyword Chocolate Cake, Cake
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