1/2 c. peanut butter
1/3 c. soft butter
3/4 c. brown sugar
3/4 c. white sugar
2 eggs
1 c. flour
1/4 tsp. salt
2 tsp. vanilla
2 tsp. baking powder
2 c. semi-sweet chocolate morsels

Combine peanut butter, butter, brown sugar and white sugar; beat until creamy. Beat in eggs and vanilla. In small bowl combine flour, baking powder and salt; blend into peanut butter. Spread into greased 13 x 9 x 2 inch baking pan. Sprinkle chocolate morsels over surface. Place in oven surface. Place in oven for 5 minutes. Remove from oven, run knife through to marbelize, then bake for 30 minutes at 350 degrees. Cool. Cut into bars.