Beefy Mac 'n Cheese [slowcooker] 1 1/2 pounds lean ground beef 1 medium onion, chopped 1 envelope cheese sauce mix 1/4 cup water 1 can cream of mushroom or cream of chicken soup 1 can stewed tomatoes (15 oz) 2 tablespoons tomato paste 1 cup shredded cheddar cheese 8 ounces macaroni, cooked just until tender Brown ground beef and onions. Combine all ingredients, except shredded cheese and macaroni, in the crockpot. Cover and cook on low for 6 hours. Add cheese and continue cooking for about 15 minutes. or until the cheese has melted. Serves 4.