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A piece of yellow celebration cake with chocolate frosting being removed from the whole cake
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4.88 from 8 votes

Yellow Celebration Cake with Chocolate Frosting

A showstopping cake, so versatile you can use it for birthdays or holiday celebrations. Simple and delicious.
Course Dessert
Cuisine American
Keyword cake, dessert, frosting
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings 8 people
Calories 698
Author Erren Hart

Ingredients

For the cake:

  • 2½ cups flour
  • 1¼ teaspoons baking powder
  • ¼ teaspoon baking soda
  • 1 teaspoon salt
  • 1¾ cups sugar
  • 2 teaspoons vanilla extract
  • ½ cup butter melted and cooled to room temperature
  • 1 cup buttermilk room temperature
  • ⅓ cup vegetable oil
  • 3 large eggs separated room temperature
  • 3 large egg yolks room temperature

For the frosting:

  • ½ cup butter at room temperature
  • 6 ounces semi sweet chocolate chips
  • ⅓ cup cocoa powder sifted
  • 1 teaspoons vanilla extract
  • 2-3 cups powdered sugar sifted
  • ⅔ cup sour cream
US Customary - Metric

Instructions

For the cake:

  • Preheat the oven to 350F and grease two 9 inch round pans.
  • In a large bowl, mix together the flour, baking powder, baking soda, and salt.
  • In another bowl mix together the sugar, vanilla, melted butter, buttermilk, oil, and all six egg yolks. Set aside.
  • Using a food processor or mixer, whip the egg whites (from the 3 separated eggs) until stiff peaks are formed, set aside.
  • Beat the flour mixture and buttermilk mixture together until combined and smooth.
  • Gently fold in the egg whites until combined.
  • Separate evenly into the prepared cake pans and bake for 25-30 minutes or until golden brown and a cake tester comes out clean.
  • Let the cakes rest in the pans for 5-10 minutes before gently turning them onto a cooling rack to cool completely.

For the frosting:

  • Melt the butter and chocolate chips in a small pan on over a low heat stirring gently until melted.
  • Once completely melted, remove from the heat and let cool.
  • Add the cocoa, vanilla extract and 1 cup of the powdered sugar.
  • Beat in the sour cream and another cup of the sugar until smooth.
  • Add more sugar a little at a time if needed until you reach the desired consistency.
  • Spread over the cooled cakes before serving.

Nutrition

Calories: 698 | Carbohydrates: 87g | Protein: 8g | Fat: 35g | Saturated Fat: 22g | Cholesterol: 106mg | Sodium: 500mg | Potassium: 315mg | Fiber: 2g | Sugar: 53g | Vitamin A: 625IU | Vitamin C: 0.2mg | Calcium: 114mg | Iron: 3.5mg