1 c. all purpose flour
1 1/2 tsp. baking powder
1/2 tsp. salt
1/2 c. peanut butter, smooth or chunky
1/2 c. butter
1 1/2. sugar
2 eggs
1 tbsp. vanilla

Preheat oven to 350 degrees. Grease and flour 13 x 9 x 2 inch baking pan. Combine flour, baking powder and salt; set aside. Heat peanut butter and butter together until melted. Stir in sugar, eggs, and vanilla until well blended. Add flour mixture and stir just until combined. Spread batter into prepared pan. Bake 25-30 minutes. Cool on wire rack and cut into bars. Makes about 3 dozen.