Step 1

Line a 9x13-inch baking dish with parchment paper.

Step 2

In a large saucepan, over medium heat, mix sugar, butter, and evaporated milk.

Step 3

Bring mixture to a boil and leave on heat until the mixture registers 234°F on a candy thermometer (about 5 minutes), stirring constantly.

Step 4

Remove from heat and stir in white chocolate chips until melted and thoroughly combined.

Step 5

Beat in marshmallow fluff. Then, reserve 1 cup of the mixture and set aside.

Step 6

Add in the orange extract and food coloring and pour into the prepared pan.

Step 7

Working quickly, dollop the reserved mixture over the top and swirl with the back of a knife.

Step 8

Allow fudge to cool and set for about 2 hours before cutting.