makes 4 servings
Heat olive oil in a soup pot and add the sausage. When the sausage has browned, add the onion, garlic, and red chili flake and cook until onion is softened, about 5 minutes.
Add the kale and tomatoes and let them soften.
Add beans, broth, and water (or bean broth). Bring to boil then vent lid, lower heat to maintain a low simmer, and cook for 1 hour to marry the flavors. Add salt and pepper to suit your taste.