Begin by arranging the pork hocks in a generously sized pot alongside the leeks, celery, onions, carrots, and whole peppercorns. Don't forget to season with a sprinkle of sea salt.
1 leek, 2 celery stalks, 1 carrot, 1 onion, 2 pork hocks, Sea salt, 1 teaspoon whole black peppercorns