Ingredients
1 tablespoon plus 1 cup butter divided4 cups sugar1 cup milk32 large marshmallows2 cups milk chocolate chips2 cups (12 ounces each) semisweet chocolate chips2 ounces unsweetened chocolate, melted1 to 1-1/2 cups coarsely chopped nuts1-1/2 teaspoons vanilla extract
Preparation
Butter a 13-in. x 9-in. pan with 1 tablespoon butter; set aside. In a large heavy saucepan, combine the sugar, milk and remaining butter. Bring to a full boil over medium heat; boil for 2 minutes, stirring constantly.
Remove from the heat. Stir in marshmallows until melted. Add chocolate chips and unsweetened chocolate; stir until chips are melted. Add nuts and vanilla.
Spread into prepared pan. Cool for 1 hour at room temperature. Cut into squares. Store in an airtight container in the refrigerator.
