2 tablespoons olive oil
4 large garlic cloves, chopped
1 medium onion, chopped
2 carrots, peeled and chopped
2 celery ribs, chopped
1 dried bay leaf
10-ounce bag frozen spinach
2 cans cannellini beans with liquid
6 cups chicken stock (or vegetable stock, for a vegan adaptation)
One 15-ounce can (1 3/4 cups) tomato pureé
9 ounces day old bread, torn in pieces, about 3 cups
1/4 cup fresh basil, chopped
Parmesan, grated (optional)