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Prep Time
20 mins
Cook Time
12-24 hours
Servings
8-10 cups
Difficulty
easy
Ingredients
- •4-5 lbs beef bones (marrow, knuckle, or meaty bones)
- •Pan drippings from roasted beef
- •2 onions, quartered
- •3 carrots, roughly chopped
- •3 celery stalks, roughly chopped
- •2 tablespoons tomato paste
- •1 bunch fresh thyme
- •2 bay leaves
- •1 tablespoon whole peppercorns
- •12-14 cups cold water
- •2 tablespoons apple cider vinegar
Instructions
- 1Roast bones at 450°F for 45 minutes, turning once. Save all drippings.
- 2Transfer bones and drippings to a large stock pot or slow cooker.
- 3Deglaze the roasting pan with a cup of water, scraping up brown bits. Add to pot.
- 4Add vegetables, herbs, and vinegar. Cover with cold water by 2 inches.
- 5Bring to a gentle simmer, skimming foam as needed.
- 6Simmer for 12-24 hours, adding water as needed to keep bones covered.
- 7Strain through fine-mesh sieve. Cool and refrigerate.
- 8Remove fat layer once chilled, or keep for cooking.
💡 Pro Tips
The longer you simmer, the richer the flavor. Adding vinegar helps extract minerals from the bones.