Beef Bone Broth
(You may need to ask the butcher.) To remove the most fat, refrigerate the broth overnight. Roast on the bottom rack for 30 minutes. Combine carrots, celery, onions, tomatoes and garlic on a second rimmed baking sheet. Move the bones to the upper rack and place the vegetables on the lower rack. Transfer the bones and vegetables to a 10- to 12-quart stockpot. Add the remaining 15 cups water, vinegar, thyme, bay leaves, peppercorns and salt....