Slow and Easy Chili

1/2 lb ground beef, cooked and drained
1/2 lb pork sausage, cooked and drained
1 can (28 oz) crushed tomatoes
1 can chili beans, undrained
1 can tomato soup
1 large onion, chopped
2 envelopes chili seasoning

Shredded cheese optional

In a slow cooker, combine the first seven ingredients and mix well. Cover and cook on low for 6-8 hours or until thickened and heated through stirring occasionally. Serve hot with cheese.