1 c. flour
1/2 tsp. baking powder
1/8 tsp. baking soda
1/2 tsp. salt
1/3 c. butter
1 c. light brown sugar, packed
1 egg, beaten
1 tsp. vanilla
6 oz. chocolate chips

Melt butter with brown sugar. Cool, then add egg and vanilla. Add flour, baking powder, soda and salt gradually. Spread in greased 9x13 pan. Sprinkle chocolate chips on top.

Bake at 350°F for 25 to 30 minutes. Cool in pan.