* Grease a 13×9 glass casserole dish with 2 tsp butter.

* In a heavy saucepan combine sugar, cream and 3/4 Cups butter. Cook and stir over low heat until the sugar is dissolved. (This is a VERY important step. The sugar crystals must be completely dissolved or the fudge will not be smooth.)

* Bring to a boil and cook for 4 minutes

* Remove from heat and stir in vanilla chips and marshmallow cream until smooth

* Remove 1 cup of this mixture and set it aside for later.

* To the remaining mixture add orange extract and food colorings, stir until blended. This mixture will now be orange.

* Pour into prepared glass casserole dish.

* Drop the white mixture, that was set aside earlier, by spoon over the top of the orange mixture and swirl with a knife.

* Cover and refrigerate until set.

* Cut into squares and serve.

* Makes about 2 1/2 pounds of fudge
(unused fudge must be refrigerated.