1 c. butter
1 1/2 c. sugar
2 eggs
2 tsp. vanilla
2 c. flour
2/3 c. cocoa
1 tsp. baking soda
1/2 tsp. salt
2 c. peanut butter chips

Cream together the butter, sugar, eggs, vanilla until light and fluffy. Combine dry and add to creamed mixture. Stir in chips. Chill until firm. Shape into ball and flatten lightly with fork. Bake at 350 degrees for 8-10 minutes.