1 c. butter
1 1/4 c. peanut butter
1 c. sugar
1 c. brown sugar
1 tsp. salt
2 eggs
1 tsp. vanilla
2 1/2 c. flour
1 tsp. baking powder
1 tsp. baking soda

Cream together butter, sugar, peanut butter, and eggs. Add other ingredients; chill dough a short while.

Shape into 1-inch balls. Flatten with fork in crosswise pattern. Bake at 350 degrees for 10-12 minutes.