1/2 c. butter
1/2 c. Crisco
1 c. peanut butter
1 c. white sugar
1 c. brown sugar
1 egg
1 tsp. baking soda
2 c. flour
1/2 tsp. salt

Mix all ingredients together. Add more flour if needed. Roll into balls and press down with a fork. Bake on a greased cookie sheet at 350 degree oven.