Easy Peanut Butter Cookies
["1 c. peanut butter", "1 c. sugar", "1 egg", "1 tsp. vanilla"]
["Mix all ingredients at once.", "Drop by teaspoonful on ungreased cookie sheet.", "Bake at 325\u00b0 for 15 minutes.", "Let cool briefly before removing from pan."]
["peanut butter", "sugar", "egg", "vanilla"]