Ingredients 3/4 cup dried cannellini beans (5 ounces) 1/2 large onion 1 bay leaf 1/3 cup extra-virgin olive oil 1 large rib celery, very finely chopped 1 medium carrot, very finely chopped 1 large onion, very finely chopped 1 medium leek, white and pale-green parts only, quartered lengthwise, cut into 1/4-inch slices, rinsed well 3 cloves garlic, minced 2 large ribs celery, cut into 1/4-inch slices 2 medium carrots, cut on the diagonal into 1/4-inch slices 6 ounces small red potatoes (about 7), cut into 1/2-inch pieces 1 medium zucchini, quartered lengthwise, cut into 1/4-inch slices 4 ounces green beans, trimmed, cut on the diagonal into 1-inch pieces (about 1 cup) 1 can (14 1/2 ounces) whole peeled plum tomatoes with juice, crushed 1 bunch (5 ounces) Tuscan kale (also called cavolo nero), stemmed, leaves cut crosswise into 1/2-inch strips 1/4 head savoy cabbage, cored and very thinly sliced (about 2 cups) 4 cups Vegetable Stock 1 rind (3 inches) Parmigiano-Reggiano cheese 1 bay leaf 1/8 teaspoon crushed red-pepper flakes Coarse salt and freshly ground pepper Martha’s Pesto...