Vegetable Broth

Name: Vegetable Broth
Prep time: 10 min
Cook time: 4 h 30 min
Total time: 4 h 40 min
Cuisine: American
Ingredients: 20 celery ribs (leaves removed, roughly chopped); 16 medium carrots (peeled and roughly chopped); 6 large yellow onions (peeled and halved or quartered); 20-24 fresh sprigs thyme; 8 bay leaves; 6 sprigs rosemary; 2 bulbs garlic (halved); 3 Tablespoons sea salt (PLUS 1 teaspoon. more to taste); 2 Tablespoons whole peppercorns; 30-32 cups water