1/2 c. peanut butter
1/2 c. butter
1 1/2 c. sugar
2 eggs
1 tbsp. vanilla
1 c. flour
1 1/2 tsp. baking powder
1/2 tsp. salt

Cream together peanut butter, butter, vanilla, sugar and eggs. Add remaining ingredients. Mix well. Bake at 350 degrees 15 to 20 minutes. Do not overcook.