Preheat oven to 350° F. Heat broccoli, cauliflower, and carrots; mix just enough to thaw thoroughly. Put in 2 qt casserole. Add prepared Minute Rice (boil 1 cup water, 1 tsp salt, and 1 tbsp butter or margarine. Add 1 cup rice and let stand 10 minutes). Add cream of mushroom soup and Cheese Whiz. Top with crushed potato chips. Bake 350° for about 1 hour. Serves 10-12