1/3 c. butter, softened
1/2 c. crunchy peanut butter
1 c. brown sugar, packed
1 c. flour, sifted
1 tsp. baking powder
2 eggs
1/2 tsp. vanilla
1/4 tsp. salt

Preheat oven to 350 degrees. Grease a 9 x 9 x 2 inch baking pan. Mix butter, peanut butter and sugar until creamy. Beat eggs and vanilla and salt. Sift flour and baking powder. Mix into creamy mixture. Spread batter in pan. Bake 30 to 35 minutes or until firm in center. Cool on rack. Cut into bars while still warm.