Ingredients
1 cup butter, softened2 cups sugar4 large eggs, room temperature2 tablespoons vanilla extract3 cups all-purpose flour1 teaspoon baking powder1/2 teaspoon baking soda1/2 teaspoon salt1 cup buttermilkTOPPING:1-1/2 cups fresh blueberries1-1/2 cups sliced fresh strawberries1-1/2 cups fresh raspberries2 tablespoons sugarSweetened whipped cream, optional
Preparation
Preheat oven to 350°. In a large bowl, cream butter and sugar until light and fluffy. Add 1 egg at a time, beating well after each addition. Beat in vanilla. In another bowl, whisk flour, baking powder, baking soda and salt; add to creamed mixture alternately with buttermilk, beating well after each addition.
Transfer batter to a greased 13x9-in. pan. Bake until a toothpick inserted in center comes out clean, 25-30 minutes. Cool completely in pan on a wire rack.
For topping, in a large bowl, combine berries; add sugar and toss gently to coat. Serve with cake; top with whipped cream if desired.
