Creamy Peanut Butter Fudge
["4 c. sugar", "2 sticks margarine", "1 c. milk", "1 1/2 c. peanut butter", "3/4 large plastic jar marshmallow", "1 tsp. vanilla", "1 c. flour"]
["Bring to a boil over medium heat sugar, margarine and milk. Boil 10 minutes.", "Remove from heat and beat in remaining ingredients.", "Pour into greased 9 x 13-inch pan."]
["sugar", "margarine", "milk", "peanut butter", "marshmallow", "vanilla", "flour"]