→ Bones
01 - 3.3 lbs beef bones (marrow, knuckle, or shank, preferably with some meat attached)
→ Vegetables
02 - 2 medium carrots, roughly chopped
03 - 2 celery stalks, roughly chopped
04 - 1 large onion, quartered
05 - 3 garlic cloves, smashed
→ Aromatics & Seasoning
06 - 2 bay leaves
07 - 1 tsp whole black peppercorns
08 - 1 tbsp apple cider vinegar
09 - 2 sprigs fresh thyme or 1 tsp dried thyme
10 - 2 sprigs fresh parsley
11 - 1 tsp salt, plus more to taste
→ Liquid
12 - 15 cups cold water