Best Chocolate Fudge
["4 c. sugar", "1 tsp. vanilla", "1 c. butter (2 sticks)", "1 c. milk", "25 large marshmallows, cut in small pieces", "13 oz. milk chocolate", "3 oz. unsweetened chocolate", "12 oz. semi-sweet chocolate"]
["Boil sugar, vanilla, butter and milk for 2 minutes and stir. Turn off heat!", "Add marshmallows, cut in small pieces; stir until marshmallows are melted.", "Add remaining ingredients.", "Mix well and pour out on cookie sheet.", "Nuts may be added."]
["sugar", "vanilla", "butter", "milk", "marshmallows", "milk chocolate", "unsweetened chocolate", "semi-sweet chocolate"]