Easy Peanut Butter Cookies
["1 c. peanut butter", "1 c. sugar", "1 small egg", "1 tsp. vanilla"]
["Preheat oven to 325\u00b0.", "Mix all ingredients together.", "Roll in balls and press with fork on an ungreased cookie sheet.", "Bake for 5 to 10 minutes."]
["peanut butter", "sugar", "egg", "vanilla"]