Lay out the cookies on a parchment lined cookies sheet.
Combine the butter, brown sugar and Dessert Shake in a pan.
Boil the butter mix for 5 minutes.
Pour the butter caramel over the cookies.
Place the cookie sheet in a 400f oven for 5 minutes.
Remove from the oven and pour the white chocolate over the top and spread out evenly.
Drizzle the melted cookie butter over the top.
Add the Christmas sprinkles over the top.
Place the crack in the fridge for at least an hour.
Remove from the fridge and break it up into smaller pieces.
Serve and enjoy!