1 pkg (14 oz) Kraft Deluxe mac and cheese
½ cup milk
½ cup shredded mozzarella cheese
½ cup shredded cheddar cheese
Preheat oven to 375°. Prepare mac and cheese according to package directions. Add milk and mozzarella cheese; mix well.
Pour into greased casserole dish; sprinkle cheddar cheese on top.
Bake 20 minutes at 375°.