Peanut Butter Balls
["1 c. peanut butter", "1 c. sugar", "1 tsp. vanilla", "1 egg"]
["Preheat oven to 300\u00b0.", "Combine all ingredients.", "Form into balls.", "Place on an ungreased cookie sheet.", "Bake for 10 to 15 minutes."]
["peanut butter", "sugar", "vanilla", "egg"]