1 c. butter
1 c. creamy peanut butter
1 c. brown sugar
1/2 c. white sugar
1 egg
1 tsp. vanilla extract
2 c. flour
1/8 tsp. salt
1 1/2 tsp. baking powder

Preheat oven to 350 degrees.

Cream together butter, peanut butter, brown and white sugars. Mix in the egg and vanilla. Sift together dry ingredients and add to the creamed mixture. Drop by teaspoon onto ungreased cookie sheets and flatten with a fork dipped in flour. Bake for 10-12 minutes.