Easy Peanut Butter Cookies
["1 c. peanut butter", "1 c. sugar", "1 egg, beaten", "1 tsp. vanilla"]
["Stir all ingredients until combined. Shape level tablespoon into ball. Place 2-inches apart on ungreased cookie sheet; flatten with fork. Bake at 350\u00b0 for 16 to 18 minutes. Cool 5 minutes. Remove from sheet."]
["peanut butter", "sugar", "egg", "vanilla"]