Best Ever Fudge

Best Ever Fudge

2 cups white sugar
1 cup milk
1 teaspoon vanilla extract
1 cup butter
25 marshmallows, quartered
2 cups milk chocolate chips
2 cups semi-sweet chocolate chips
2 (1 ounce) squares unsweetened chocolate
1 cup chopped pecans

Grease 1 - 11x16 inch jelly roll pan. Set aside.
Combine sugar, milk, vanilla and butter in large, heavy saucepan. Bring to a boil, stirring occasionally. Boil for 2 minutes.
Remove from heat and add marshmallows, semi-sweet chocolate chips, milk chocolate chips and unsweetened chocolate. Stir until melted and smooth. Stir in nuts. Mix well.
Pour into prepared pans. Let fudge sit at least 24 hours before cutting into squares. Refrigerate for easier cutting.