Preheat oven to 350°F Prepare stuffing as directed on package; set aside. Gradually add milk to flour in medium microwaveable bowl, while beating with a wire whisk, until well blended. Microwave on high for 4 minutes, stirring after 2 minutes. Add cheese, vegetables and seasoning; mix well. Set aside.
Cook meat in hot oil in a large ovenproof nonstick skillet (or put in casserole dish when done) until browned on both sides. Pour cheese sauce evenly over meat; top with prepared stuffing.