Start making stuffing as directed on package, except substitute 1/2 of the water with evaporated milk. Boil water, milk and butter. Remove from heat.
Add stuffing mix, cheddar cheese and sage. Stir to combine.
Put lid on stuffing and let rest for five minutes. Fluff with a fork.
Spoon in a greased baking dish. Broil for about 2 minutes until the top is golden brown.