1/2 c. chunky peanut butter
1/3 c. margarine, softened
3/4 c. brown sugar
3/4 c. sugar
2 eggs
2 tsp. vanilla
1 c. flour
1 tsp. baking powder
1/4 tsp. salt.
2 c. semi-sweet morsels
Preheat the oven to 350 degrees. Combine peanut butter, butter, brown sugar and sugar, beat until creamy. Gradually beat in eggs and vanilla. Blend in flour, baking powder and salt. Spread in a greased 9 x 13 pan. Sprinkle the chocolate over the top. Place in the oven for 3 minutes. Remove from the oven, run a knife through the batter to marbelize. Return to the oven, bake 30 minutes. Cool & cut into squares.