1 c. flour
1/2 c. peanut butter
1 tbsp. vanilla flavoring
1/2 c. butter
2 eggs

Preheat oven to 350 degrees. Grease and flour 13 x 9 inch baking pan. Mix butter and peanut butter, sugar, eggs and vanilla; add flour a little at a time. Spread evenly in pan. Bake for 25 to 30 minutes. Cut and let cool.