#1458 - Lemon Buttercream Cake

1/2 cup softened butter
1 1/2 cups white sugar
1 cup milk
1 tsp. lemon extract
2 1/4 cups flour
2 1/2 tsp. baking powder
3 egg whites

In a mixer add egg whites--beat until stiff, then set aside. In a mixer add softened butter and white sugar--beat. Add lemon extract--beat. Add baking powder--beat. Slowly add milk--beat. Slowly add flour--beat well. Remove bowl from mixer--add beaten egg whites to the batter and stir with a spoon. Pour batter into a greased and floured 9 x 13 cake pan. Bake at 350 degrees for 25-35 minutes--test with a toothpick for doneness. Cool completely, then frost as desired.