Cake:

• 2 1/4 cups all-purpose flour
• 1 1/2 cups sugar
• 1/2 cup unsalted butter (at room temperature)
• 3 teaspoons baking powder
• 1 teaspoon salt
• 1 teaspoon vanilla
• 1 1/2 cups milk
• 3 eggs

Buttercream Icing:

• 2 sticks butter (at room temperature)
• 4 teaspoons butter flavoring (can use clear vanilla extract instead)
• 6 cups confectioner’s sugar
• 4–8 tablespoons milk