Italian Sausage & Spinach Soup

1 Package Sweet Italian Sausage
64 oz Chicken Broth
1 Small Onion
1 Large Can Chopped Tomatoes
1 Cup White Rice
Handful of Baby Spinach

Remove sausage from casing and saute with onions over medium-high heat until cooked. Break the sausage apart as it cooks. Add chicken broth and heat until almost boiling. Add tomatoes and rice; reduce heat, cover and simmer until rice is cooked, about 20 minutes. Add spinach and cook until spinach takes on a vibrant green color. Serve immediately. Garnish with cheese and serve with crusty bread.