2 C. margarine
2 C. sugar
2 C. brown sugar
4 eggs
2 C. peanut butter
4 tsp. baking soda
6 C. flour
Mix together baking soda and flour; set aside. Mix margarine and sugars, then add eggs and peanut butter. Mix wet and dry ingredients together. Make into balls and flatten with fork. Bake on ungreased cookie sheet for 10 minutes at 400°.