1 1/2 sticks butter
1/2 c. white sugar
1/2 c. brown sugar
2 egg yolks
1 tsp. baking powder
1 tsp. salt
1/4 tsp. baking soda
2 c. flour
1 tsp. vanilla
3 or 4 tbsp. water

Cream together butter, white and brown sugar. Add egg yolks. Sift together baking powder, salt, soda, and flour. Add vanilla and water. Pour in greased and floured pan and add the following topping:

Beat stiff 2 egg whites. Add 1 cup brown sugar and beat until mixed. Spread over batter and sprinkle with 1 package chocolate chips. Bake 25 minutes at 350 degrees.