recipe for olive garden's zuppa toscana

Ingredients 1 pound spicy Italian sausage (or mild, if you prefer) 1/2 pound bacon, chopped 1 large onion, chopped 4 cloves garlic, minced 6 cups chicken broth 4 large russet potatoes, peeled and diced 1 bunch kale, stems removed and chopped 1 cup heavy cream Salt and pepper to taste Grated Parmesan cheese (optional, for garnish)