Chocolate Peanut Butter Fudge
["3 c. white sugar or 1 1/2 c. sugar and 1 1/2 c. sugar substitute", "1 Tbsp. flour", "1/2 stick margarine or 1/4 c. canola oil", "1 c. milk", "1 tsp. vanilla", "4 Tbsp. cocoa", "1/2 c. creamy or crunchy peanut butter"]
["Bring all ingredients (except for peanut butter) to a full boil.", "Cook 5 minutes, stirring constantly.", "Remove from heat and set pan in cold water to cool.", "Add peanut butter and beat until thick, then pour into buttered dish."]
["white sugar", "flour", "margarine", "milk", "vanilla", "cocoa", "crunchy peanut butter"]