Make brownies as directed on box. Let cool and cut into small squares.
In a bowl, beat cream cheese and butter until smooth. Mix in powdered sugar and fold in whipped topping. Set aside.
In a separate bowl mix pudding, milk, vanilla, peppermint and pink food coloring.
Fold this mixture in with the cream cheese mixture. Refrigerate for at least 15 minutes.
Right before serving, layer brownies and cream mixture.
Top with crushed candy canes and serve immediately.