1 lb. brown sugar
2/3 c. shortening (vegetable oil)
3 eggs
2 3/4 c. flour
2 1/2 tsp. baking powder
1/2 tsp. salt
1 tsp. vanilla
1 (6 oz.) pkg. chocolate bits

Mix all ingredients together saving the chocolate bits to be mixed in last. Spread mixture evenly into lightly greased 9 x 13 inch baking dish. Bake at 350 degrees for 25 minutes.