Preheat oven to 450°F. Pour Seafood Sauce into 13x9-inch baking dish. Add fish; turn to coat well. Refrigerate 20 minutes.
Microwave vegetables in microwavable bowl on HIGH 3 minutes, stirring halfway through cooking time. Spoon over fish.
Bake 8 to 10 minutes or until fish flakes easily with a fork. Serve with cooked rice, if desired.