1/2 c. butter
1/3 c. peanut butter
1/2 c. white sugar
1/2 c. brown sugar
1 egg, unbeaten
1 tsp. vanilla
1 3/4 c. flour
1 tsp. baking soda
1/2 tsp. salt

Cream butter and peanut butter. Add all remaining ingredients.

Shape into balls. Roll balls in sugar. Bake 8 minutes. Remove from oven; put chocolate star on top and push in slightly. Bake 2-5 minutes more. Bake at 375 degrees.