Zuppa Toscana is a hearty and flavorful Italian soup that features ingredients like potatoes, Italian sausage and a creamy broth, making it a comforting dish perfect for cooler weather.   To prepare Zuppa Toscana in a slow cooker, simply brown the sausage in a skillet, then combine it with diced potatoes, onions, garlic, chicken broth, and spices in the slow…