1 cup butter
1 cup white sugar
1 cup brown sugar
2 eggs
3 1/4 cup flour
2 tsp baking soda
1/4 tsp salt
1 tsp vanilla
1 cup peanut butter

Directions:
- Mix all ingredients until smooth. Chill.
- Heat oven to 350 degrees F. Roll into balls, place on cookie sheet, and flatten gently with fork.
- Bake until browned.