2 c. Bisquick
1 1/2 c. brown sugar
3 eggs
1 c. chocolate chips
1 c. chopped nuts
1 tsp. vanilla

Grease and flour 13x9x2 pan. Mix all ingredients and pour in pan. Bake in 350 degree oven for 30 minutes. Sprinkle on powdered sugar as the pan comes out of the oven.