1/2 c. crunchy peanut butter
1/3 c. butter, softened
3/4 c. brown sugar
3/4 c. sugar
2 eggs
2 tsp. vanilla
1 c. unsifted flour (all purpose)
1 tsp. baking powder
1/4 tsp. salt (opt.)
1 (12 oz.) pkg. chocolate chips

Preheat oven to 350 degrees. In large bowl beat until creamy, peanut butter, butter, brown sugar, sugar and beat in eggs and vanilla. Blend in flour, baking powder and salt. Spread in 13"x9" pan. Sprinkle chocolate chips on top. Set in oven for 3 minutes. Take out and swirl around. Return and bake for 25 to 30 minutes at 350 degrees. Cool and cut.