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Yellow Cake with Chocolate Nutella Buttercream Frosting

Prep Time30 minutes
Cook Time35 minutes
Additional Time15 minutes
Total Time1 hour 20 minutes
Course: Cakes
Servings: 16 slices
Calories: 345kcal
Author: Roz | La Bella Vita Cucina

Ingredients

For the Cake

  • 4 large eggs + 2 large egg yolks
  • 1/2 cup buttermilk
  • 1 tablespoon vanilla extract
  • 2 1/4 cups cake flour
  • 1 3/4 cups sugar
  • 1 1/4 teaspoons baking powder
  • 1/4 teaspoon baking soda
  • 1/2 teaspoon table salt
  • 8 tablespoons butter softened
  • 1/2 cup vegetable oil

For the Nutella Buttercream:

  • 16 tablespoons unsalted butter at room temperature
  • 4 cups powdered sugar plus more if needed to reach a thicker consistency
  • 5 tablespoons half and half
  • 2/3 cup cocoa powder
  • 1/2 cup Nutella

Instructions

For the Cake:

  • To make the cake, preheat the oven to 350°. Spray a 13 x 9-inch baking pan with a flour and oil baking spray.
  • Whisk together the eggs and yolks, buttermilk, and vanilla. Set aside.
  • Put the flour, sugar, baking powder, baking soda, and salt into the bowl of a stand mixer. Whisk the mixture together. Then insert the paddle attachment.
  • Add butter and oil and mix at low speed to combine, then increase the speed and mix until light and fluffy. Reduce speed to low and slowly add the egg mixture.
  • When the eggs are incorporated, scrape down the bottom of the mixer bowl. Beat on medium-high speed until the batter lightens in color and thickens about 3 minutes. Scrape the batter into the prepared pan and smooth the top with an offset spatula. Rap the pan on the counter 2-3 times to bring up any big air bubbles trapped in the batter.
  • Bake for 28 to 32 minutes or until a toothpick inserted in the middle comes out with only a few crumbs. Cool completely on a rack.

For Nutella Buttercream:

  • In the body of a stand mixer fitted with the paddle attachment beat butter until light and fluffy.
  • Gradually add the sugar, then cocoa powder, and beat until smooth and creamy.
  • Add 3 tablespoons of the half and half and beat until smooth.
  • Fold in Nutella, and add additional powdered sugar (a 1/4 cup at a time) if the frosting looks too thin.
  • Add additional half and half if the frosting looks too thick, one tablespoon at a time.
  • Spread evenly over cake.


Nutrition

Serving: 1slice | Calories: 345kcal | Carbohydrates: 46g | Protein: 5g | Fat: 18g | Saturated Fat: 6g | Polyunsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 80mg | Sodium: 200mg | Fiber: 1g | Sugar: 33g