Preheat oven to 400 F. In a 9″ buttered casserole dish, layer potato/brussel sprout combo & ground beef. Then pour cream/cheese mixture carefully over all. Combine bread crumbs with Parmesan cheese & sprinkle top of casserole. Bake for 15-20 minutes. Remove from oven & sprinkle with grated cheddar cheese. Serve.