2 c. sugar
1 1/3 c. flour
5 eggs
1/2 c. cocoa powder
1 tsp. salt
1 c. cooking oil
1 tsp. vanilla
1 c. chocolate chips
1/2 c. chopped nuts (optional)

Mix all ingredients except chocolate chips together until well moistened. Pour batter into a greased 9x13 inch pan and sprinkle with the chocolate chips. Bake in a preheated 350 degree oven for 30 minutes or until bars are done. Cut in squares or rectangles and sprinkle with sugar or powdered sugar.