Combine sliced sausage and water in a large skillet. Bring to boiling; reduce heat. Simmer, covered, about 10 minutes or until sausage is no longer pink. Uncover and cook about 5 minutes more or until sausage is browned, stirring frequently. Remove sausage with a slotted spoon; set aside.
Meanwhile, cook onion and garlic in hot oil in a large saucepan about 5 minutes or until onion is tender. Stir in beans, broth, and undrained tomatoes. Cover and bring to boiling; reduce heat. Simmer, covered, for 5 minutes.
Stir in cooked sausage and kale or spinach. Simmer, uncovered, about 3 minutes more or until kale or spinach is tender. Season to taste with pepper. Makes 5 servings.