2/3 c. melted butter
2 c. brown sugar
2 tsp. vanilla
2 eggs
1 tsp. salt
1 tsp. baking powder
1/4 tsp. baking soda
2 c. flour
1 c. chopped nuts (optional)
6 oz. chocolate chips and/or party sprinkles

Mix together. Spread in a greased 13x9 inch pan. Top with sprinkles, if desired.

Bake in a preheated oven at 350 degrees for 25 to 30 minutes. Do not overbake. Cool and cut.