Unbelievable Peanut Butter Cookies
["1 c. peanut butter", "1 c. sugar", "1 tsp. vanilla", "1 egg"]
["Mix all ingredients.", "Roll into about 30 balls.", "Press slightly with a fork to flatten.", "Bake in a 325\u00b0 oven for 15 minutes."]
["peanut butter", "sugar", "vanilla", "egg"]