http://www.marshmallowfluff.com/pages/never_fail_fudge.html
Never Fail Fudge
* 2 1/2 c. sugar
* 3/4 tsp. salt
* 1/2 stick butter or margarine
* 1 5.33 oz. can evaporated milk (3/4 c.)
* 1 Jar (7 1/2oz) Marshmallow Fluff
* 3/4 tsp. vanilla
* 1 12-oz. package semisweet-chocolate pieces
* 1 /2 c. chopped walnuts
Grease a 9-inch square baking pan; set aside. In large saucepan combine first 5 ingredients. Stir over low heat until blended. Heat to a full-rolling boil being careful not to mistake escaping air bubbles for boiling. Boil slowly, stirring constantly, 5 minutes. Remove from heat, stir in vanilla and chocolate until chocolate is melted. Add nuts. Turn into greased pan and cool. Makes 2 1/2 pounds.
Heavenly Flugg Fudge
* 1 1/3 cup Sugar
* 1 jar Marshmallow Fluff (7 1/2 oz)
* 2/3 cup evaporated milk
* 1/4 cup butter
* 1/4 cup coffee liqueur
* 1/4 tsp. Salt
* 2 cups semi-sweet chocolate bits
* 1 cup milk chocolate bits
* 2/3 cup walnuts (if desired)
* 1 tsp. vanilla
In a 2-quart pot, combine sugar, Fluff, evaporated milk, butter, salt and coffee liqueur. Over low heat, stir until mixed. Bring to full boil over medium heat and boil for 5 minutes stirring constantly. Remove from heat. Stir in chocolate, nuts and vanilla until mixed. Pour into buttered 8 x 8-inch pan. Makes about 2 1/4 lbs.
Note: alcohol is boiled away in cooking process. OK to serve kids.
Hint: As with all fudge recipes, cooking time will vary depending on factors such as humidity and altitude. For best results, use the softball test to make sure the fudge has been cooked enough. The softball test can be found in any cookbook and on our website under frequently asked question (FAQ's)
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From another link - this one has mega amounts of sugar so maybe it's this one:
Marshmallow Fluff Fudge
5 cups granulated sugar
1 stick (1/2 cup) butter or margarine
1 (15 ounce) can evaporated milk
2 cups Marshmallow Fluff
12 ounces chocolate chips
1 1/2 cups chopped nuts
Bring granulated sugar, butter and evaporated milk to a full boil. Turn down heat and cook until the mixture has a good caramel color.
Put Marshmallow Fluff and chocolate chips into a large bowl. Pour the hot mixture over the cool ingredients and stir until all the Marshmallow Fluff is mixed in. Stir in 1 1/2 cups chopped nuts and pour into a lightly buttered dish.