Created by QueenBea on December 22, 2013
Step 1: Line a 13x9 inch pan with foil and grease the foil with 2 teaspoons butter.
Step 2: In a large heavy saucepan, combine the sugar, milk and remaining butter.
Step 3: Bring to a rapid boil over medium heat, stirring constantly.
Step 4: Cook without stirring for 2 minutes; remove from heat.
Step 5: Stir in marshmallows until melted.
Step 6: Add all chocolate; stir until melted.
Step 7: Stir in vanilla and immediately spread into prepared pan; cool for 1 hour.
Step 8: Score into 1 inch squares.
Step 9: Refrigerate, covered, for 3 hours or until firm.
Step 10: Using foil, lift fudge out of pan.
Step 11: Remove foil; cut fudge.
Step 12: Store between layers of waxed paper in airtight containers.