1 1/4 sticks butter, melted
2 c. brown sugar
1 tsp. vanilla
2 c. plain flour
1 tsp. baking powder
1/4 tsp. salt
2 eggs
1 sm. pkg. chocolate chips

Mix dry ingredients. Add butter and eggs. Mix well with mixer. Fold in chocolate chips. Bake at 350 degrees for 20-25 minutes. Cut in squares.