Step 1

Grease a 9x13-inch baking dish. Set aside.

Step 2

In a mixing bowl combine chocolate chips (3 packages), melted butter (1 cup), and marshmallow cream (1 jar). Set aside.

Step 3

Heat sugar (4 1/2 cups) and evaporated milk (1 can) in an extra large, heavy bottom saucepan, over medium heat and bring to a rolling boil. Continue to boil for 7 minutes, stirring continuously.

Step 4

Pour the sugar and milk mixture over the chocolate mixture and stir vigorously until smooth. Stir in vanilla (2 teaspoons) and nuts (2 cups). Pour into prepared pan and refrigerate until set (overnight is best).