Greens and Sorrel Soup

½ lb sausage (garlic sausage from Vale Farms)
            Brown and remove.
1 cup onion, green onions, or chives
            Sauté and return meat to soup pot.
4 cups broth (veg. or chicken)
1 cup diced potatoes
Salt and pepper to taste
            Bring to a boil and simmer until potatoes are cooked
1 ½ cups milk
1-3 cups greens (sorrel, spinach, kale, dandelion, etc)
            Cook until tender.
Garnish each bowl with Parmesan cheese.