Kim's Escarole, Sausage & White Bean Soup

INGREDIENTS
3 cloves garlic, chopped
1 tsp red pepper flakes
1/2 lb sweet Italian sausage
3 cups chicken broth
1 head escarole, chopped
1 parmesan rind
1-2 cans white beans
1/2 cup grated parmesan
salt to taste

DIRECTIONS
Cook 3 chopped garlic cloves, red pepper flakes and the Italian sausage in olive oil. Add 3 cups chicken broth, 1 head chopped escarole and a parmesan rind; simmer 15 minutes. Add 1 can white beans and salt to taste. Simmer 2 minutes more. Add parmesan to garnish and serve.

Adapted from Food Network's 50 Easy Soups.