01 -
Put parchment paper in a 9x9 pan, leaving some extra hanging over the sides for easy lifting.
02 -
In a bowl, blend the red food coloring with the chocolate chips and keep it off to the side.
03 -
Melt butter in a big saucepan, stir in sugar and cream, and mix until the combo is smooth.
04 -
Grab another bowl and mix your white chocolate chips with marshmallow fluff.
05 -
Add the vanilla, marshmallow fluff, and white chocolate chips into the saucepan with the sugar mix. Stir until it's creamy.
06 -
Pour half the white base into the bowl holding red-dyed chocolate chips. Stir quickly so it melts together.
07 -
Place spoonfuls of both color mixes into the pan. Shake it lightly to even it out, then swirl with a small knife.
08 -
Let the fudge firm up fully. Use the parchment's edges to lift it, then cut into bite-sized squares.