Tuscan-Style Sausage, Kale, and Potato Soup (Zuppa Toscana a la Olive Garden) Zuppa Toscana ("soup in the style of Tuscana") is an Italian soup made with Italian sausage, crushed red peppers, diced white onion, bacon, garlic, vegetable stock, heavy cream, and potatoes. Ingredients: 1 pound Italian sausage, sliced into bite size pieces 3 large