How to make orange Marmalade white Chocolate Fantasy fudge at home.
Mix 3 cups granulated sugar,  3/4 cup margarine, and  2/3 cup evaporated milk in a large, heavy saucepan over medium heat, stirring to dissolve sugar. Bring mixture to a full boil for 5 minutes, stirring constantly.  Remove from heat and stir in 12 ounce White chocolate chips until melted and thoroughly combined. Beat in 1 7 ounce jar of marshmallow creme, 1 teaspoon vanilla extract.  When mixes swirl 3/4 cup Orange Marmalade  through the mixture, leaving visual trail of jam.  Transfer fudge to Greased 8 x 13" pan and let cool before cutting into squares.