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

Cream butter and sugars together. Add eggs; mix well. Sift dry ingredients together, then add to egg mixture. Add peanut butter and vanilla. Dough will be stiff. Form into balls and flatten with a fork, making a crisscross pattern.

Bake for 10 to 12 minutes at 350°F.