Toasted Walnut Fudge

3 cups sugar
1/2 cup butter
1 (5-ounce) can evaporated milk
1 (7-ounce) jar marshmallow creme
1 (12-ounce) package semisweet chocolate morsels
2 cups chopped toasted walnuts
1 teaspoon vanilla extract
 1/4 teaspoon salt

1. Line a 13 x 9-inch baking pan with non stick aluminum foil.  Spray foil with nonstick cooking spray.
2. In a dutch oven, heat sugar, butter and milk over medium high heat. Bring to a boil and cook, stirring constantly, for 5 minutes. Remove from heat, and stir in marshmallow cream and chocolate morsels; stir just until melted and smooth. Stir in walnuts, vanilla and salt. Spoon mixture evenly into prepared pan. Let stand for 1 hour or until set. Cut into 2 inch pieces.