Overnight Oxtail & Beef Shank Stock

Ingredients

• 2 lb beef oxtails
• 2 lb bone-in beef shanks
• 2 medium yellow onions, quartered
• 3 large carrots, coarsely chopped
• 3 celery stalks with their leaves, coarsely chopped
• 1 head of garlic, halved crosswise
• 2 tbsp tomato paste
• 11 cup cold water, or low-sodium beef broth (check the label for GF)
• ¼ cup apple cider vinegar
• 3 dried bay leaves
• 1 tbsp whole black peppercorns
• 2 tbsp dried Italian seasoning