Preheat the oven to 350 F and grease a 9×13 pan.
In a large bowl, mix cake mix, butter and egg.
15.25 ounces Red Velvet cake mix, ½ cup butter, 1 egg
Pour the batter into the prepared pan and spread it evenly with a spatula.
Place in oven for 15 minutes or until a toothpick inserted in the center comes out with a few moist crumbs on it.
Let the brownies cool for about an hour.
While the brownie layer is cooling, beat cream cheese and sugar together and add ¼ cup milk.
16 ounces cream cheese, ½ cup confectioners sugar
Fold in one container of Cool Whip and the crushed candy canes.
¼ cup crushed candy canes, 16 ounces Cool Whip
Spread the peppermint cheesecake layer evenly over the cooled brownie layer and place in the refrigerator for 15-20 minutes.
In a large bowl, whisk the milk and the pudding mix together. Add the green gel coloring a few drops at a time until you're happy with the shade.
2 ¾ cups milk, 6.8 ounces vanilla instant pudding, green gel food coloring
Pour the pudding over the cream cheese layer and place back into the refrigerator to set up for at least 4 hours.
When ready to serve, top with the second container of Cool Whip and the sprinkles. Serve immediately.
Christmas themed sprinkles and crushed candy canes for topping