1 c. shortening
1/2 c. white sugar
1/2 c. brown sugar
2 egg yolks, beaten
Vanilla
2 c. flour
1 tsp. baking powder
1 tsp. salt
1 tsp. baking soda

Mix together and spread in large cake pan. Sprinkle with 1 (6 ounce) package chocolate chips. Beat egg whites. Add 1 cup brown sugar, continue to beat and spread on top of chips. Bake 15-20 minutes in moderate oven. This recipe may be doubled and put into jelly-roll pan.