01 -
Line an 8x8-inch baking pan with parchment paper, leaving a bit of overhang for easy removal later. Set aside.
02 -
In a medium saucepan over low heat, combine the sweetened condensed milk, white chocolate chips, and butter. Stir constantly until the mixture is completely melted and smooth.
03 -
Remove from heat and quickly stir in the vanilla extract and sugar cookie mix until fully combined and no lumps remain.
04 -
Gently fold in half of the Christmas sprinkles, saving the rest for the top.
05 -
Pour the fudge mixture into the prepared pan, spreading it evenly with a spatula. Sprinkle the remaining Christmas sprinkles over the top, pressing down lightly so they adhere.
06 -
Refrigerate for at least 2 hours or until the fudge is firm.
07 -
Once set, lift the fudge out of the pan using the parchment paper and cut it into squares.