Kale and White Bean Soup

Ingredients

1 lb dried white beans such as Great Northern, cannellini, or navy

2 onions, coarsely chopped

2 tablespoons olive oil

4 garlic cloves, finely chopped

5 cups chicken broth

2 qt water

1 (3- by 2-inch) piece Parmigiano-Reggiano rind

2 teaspoons salt

1/2 teaspoon black pepper

1 bay leaf (not California)

1 teaspoon finely chopped fresh rosemary

1 lb smoked sausage such as kielbasa (optional), sliced crosswise 1/4 inch thick

8 carrots, halved lengthwise and cut crosswise into 1/2-inch pieces

1 lb kale (preferably lacinato), stems and center ribs discarded and leaves coarsely chopped