Prepare bones: If using raw bones, roast them at 200°C (400°F) for 30 minutes for richer flavor. Skip this step for lighter broth.
1.5 –2 kg
Fill pot: Place bones and all other ingredients in a large stockpot or slow cooker.
2 tbsp apple cider vinegar, 1 large onion, 2 celery stalks, 2 carrots, 3 cloves garlic, 1 small piece of fresh ginger, 1 tsp sea salt, 1/2 tsp whole black peppercorns, 2 bay leaves
Add water: Pour in filtered water until ingredients are just covered.
Filtered water
Simmer: Bring to a gentle boil, then immediately reduce heat to the lowest setting. Skim off any foam in the first hour.
Cook long and low:
Stovetop: Simmer uncovered or partially covered for 12–24 hours.
Slow cooker: Set to LOW for 12–24 hours.
Pressure cooker: Use the “Soup/Broth” setting for 2–3 hours.
Strain: Remove bones and vegetables with a slotted spoon. Strain broth through a fine mesh sieve into a clean pot or large bowl.
Cool and store: Cool broth slightly, then store in glass jars in the fridge for up to 5 days, or freeze in portions for up to 3 months.