1/2 c. butter, softened
1 c. peanut butter
1/2 c. sugar
1/2 c. brown sugar
1/2 tsp. vanilla
1 egg
1 1/2 c. flour
3/4 tsp. baking soda
1/2 tsp. baking powder
1/4 tsp. salt

Combine first 6 ingredients until light and fluffy. Sift together dry ingredients and add to butter mix. Blend thoroughly. Place on cookie sheet and press with fork. Bake at 350 degrees 10 minutes or until brown.