Cowboy Casserole

Cowboy Casserole
1 onion, chopped
1 1/2 lbs ground chuck, browned and drained
6 medium potatoes, sliced
1 (16 ounce) can red beans
1 (16 ounce) can tomatoes (mixed with 2 Tbsp. flour)
salt and pepper, and
garlic
Put chopped onion in the bottom of the crock pot; layer with browned ground beef. sliced potatoes and beans. Spread tomatoes or soup over all. Sprinkle with seasonings as desired. Cover and cook on low for 7 - 9 hours.