Yellow Cake with Chocolate Buttercream Frosting

Deselect All

Cake:

2 sticks (1 cup) unsalted butter, softened, plus more for greasing the pan

4 cups cake flour, plus more for flouring the pan

4 teaspoons baking powder 

1 1/2 teaspoons kosher salt 

2 cups granulated sugar

6 large eggs, at room temperature 

1 tablespoon vanilla 

1 1/2 cups whole milk 

Buttercream Frosting:

5 1/2 cups powdered sugar

3/4 cup cocoa powder 

3 sticks (1 1/2 cups) unsalted butter, softened 

1/2 cup heavy cream, plus more if needed for thinning

1 tablespoon vanilla 

1/2 teaspoon kosher salt