Preheat oven to 350 degrees. Mix cream cheese and milk in large microwaveable bowl. Microwave on high 1 minute or until cream cheese is melted and mixture is blended. Add Parmesan cheese and basil; stir until blended. Add vegetables; toss to coat.
Spoon into greased 13 x 9-inch baking dish. Prepare stuffing mix as directed on package; spoon evenly over vegetable mixture.
Bake 30 minutes or until heated through and stuffing is golden brown.