Heat oven to 400 degrees F. Prepare stuffing mix as directed on package; set aside. Combine remaining ingredients; spoon into 13x9-inch baking dish. Top with stuffing. Bake 40 min. or until chicken is done.
Chicken & Green Bean Bake: Omit VELVEETA. Prepare as directed, using STOVE TOP Traditional Sage Stuffing Mix and substituting frozen green beans for the broccoli.