Preparing Zuppa Toscana is straightforward when you follow these simple steps:

1. Brown the Sausage: In a large pot, heat a little olive oil over medium heat. Add the Italian sausage, breaking it apart as it cooks. Brown until fully cooked, about 5-7 minutes.
2. Sauté the Vegetables: Add the chopped onion and minced garlic to the pot. Sauté until the onion is translucent, about 3-4 minutes.
3. Add Broth and Potatoes: Pour in the chicken broth and add the sliced potatoes. Bring to a boil and then reduce the heat to simmer for about 10 minutes or until the potatoes are tender.
4. Stir in Kale and Cream: Once the potatoes are soft, add the chopped kale and the heavy cream to the pot. Stir everything together and let it simmer for another 5 minutes.
5. Season to Taste: Add crushed red pepper flakes if you like a bit of heat. Season with salt and pepper according to your taste.
6. Serve Hot: Ladle the Zuppa Toscana into bowls and sprinkle with freshly grated Parmesan cheese if desired.

These steps will guide you through making this incredible soup with ease and enjoyment!