Peanut Butter Balls
["1 c. powdered sugar", "1 c. peanut butter", "1/2 c. chopped walnuts", "2 Tbsp. margarine"]
["Mix together.", "Shape into marble-sized balls.", "Roll in coconut or finely chopped nuts.", "Chill and serve."]
["powdered sugar", "peanut butter", "walnuts", "margarine"]