Serves 6
1/2 cup dried cannellini beans
2 sprigs fresh rosemary
1 small onion, cut into quarters
1 head garlic
Salt
1/2 cup tubetti, (small tube-shaped pasta)
1 tablespoons olive oil
2 small leeks, rinsed, white and light-green parts cut in half lengthwise and thinly sliced
1 sweet potato, peeled and cut into 1/2-inch cubes
1 bunch kale, (3/4 pound)
6 cups Homemade Chicken Stock, or canned low-sodium chicken broth, skimmed of fat
1/2 teaspoon freshly ground black pepper