1. Preheat oven to 350° F.
2. Place cream cheese in a microwave-safe bowl and heat on HIGH for 2 minutes.
3. Stir in milk, Parmesan cheese and vegetables. Place into 9x13-inch casserole dish.
4. Top with stuffing mixture and bake covered 35-40 minutes.
5. Remove foil during last 15 minutes of baking.