Making Bone Broth: My Grandma's Secret - Taste Dessert

Ingredients

• 2-3 pounds beef bones (knuckle bones, marrow bones, and meaty bones are best)
• 2 tablespoons olive oil or rendered beef fat
• 1 large yellow onion, roughly chopped
• 2 carrots, roughly chopped
• 2 celery stalks, roughly chopped
• 4 cloves garlic, smashed
• 1 inch piece of ginger, peeled and roughly chopped (optional)
• 1 teaspoon whole black peppercorns
• 1 bay leaf
• 1 tablespoon apple cider vinegar
• 1/2 bunch fresh parsley, roughly chopped
• Salt, to taste
• 12-16 cups cold, filtered water