Never Fail Fudge
["2 1/2 c. sugar", "1/4 c. butter or margarine", "1 small can (5 oz.) evaporated milk", "1 jar (7 1/2 oz.) marshmallow FLUFF", "3/4 tsp. salt", "12 oz. pkg. semi-sweet chocolate chips", "3/4 tsp. vanilla"]
["In a saucepan, combine sugar, butter, milk, fluff and salt. Stir over low heat until blended.", "Bring to a boil over moderate heat, being careful not to mistake air bubbles for boiling.", "Boil slowly, stirring constantly, for 5 minutes (to soft ball stage) - on a candy thermometer 126\u00b0 to 240\u00b0 fudge (240\u00b0 is better). Remove from heat and stir in chocolate and vanilla until chocolate is melted.", "Then, turn into a buttered 9x9-inch pan and cool."]
["sugar", "butter", "milk", "marshmallow", "salt", "semi-sweet chocolate chips", "vanilla"]