Pressure Canning Sausage Potato Soup with Kale (Copycat Olive Garden's Zuppa Toscana) - If you're looking for pressure canning soup recipes, you must try this hearty sausage and potatos soup. Canning sausage potato and kale soup means you have a delicious comfort food meal in a jar ready to go at a moment’s notice. This particular recipe is similar to Olive Garden’s “Zuppa Toscana” and even better when served with a splash of cream.