To use canned chickpeas, drain and rinse 1 (28-ounce) can of chickpeas. Transfer to a saucepan with 1 carrot, 1 small onion split in half, 1 celery stalk, 2 cloves of garlic, and 2 bay leaves. Cover with water, bring to a simmer, and cook until very tender, about 1 hour. Proceed as directed starting with step 3.