Peanut Butter Fudge
["4 c. sugar", "3 Tbsp. cornstarch", "1 c. milk", "1/3 c. water", "3/4 stick butter", "1 tsp. vanilla", "18 oz. peanut butter"]
["Bring first 4 ingredients to a boil.", "Add butter.", "Boil until soft ball.", "Add vanilla.", "Add peanut butter.", "Stir and pour in buttered pan."]
["sugar", "cornstarch", "milk", "water", "butter", "vanilla", "peanut butter"]