Fourth Of July Cake - cooking recipe

Ingredients

2 c. + 1 Tbsp. cake flour
2 tsp. baking powder
salt
1/2 c. fresh raspberries
1/2 c. fresh blueberries
14 Tbsp. unsalted butter (at room temperature)
1 1/3 c. granulated sugar
1 1/4 tsp. vanilla extract
1 c. + 2 Tbsp. milk
4 egg whites (at room temperature)
4 oz. cream cheese
2 1/2 c. confectioners sugar, sifted

Preparation

Heat oven to 350\u00b0.
Butter a 13 x 9-inch baking pan.
Combine 2 cups flour, the baking powder and 1/2 teaspoon salt.
Toss berries with 1 tablespoon flour.
Beat 10 tablespoons of butter, the granulated sugar and 1 teaspoon vanilla about 5 minutes.
Beat in flour in thirds, alternating with milk, using 1 cup.
Beat whites until stiff and fold into batter.
Fold in berries.
Pour into pan.
Bake until done, about 30 minutes.
Beat 4 tablespoons of butter, the cream cheese and a pinch of salt.
Beat in confectioners sugar, 1/4 teaspoon vanilla and 2 tablespoons of milk.