Calculate net cooked edible meat yield, bone-to-cartilage discard weight, renderable liquid tallow, and braising sauce gelatin richness from raw whole or cut oxtail.
Master Rule: Raw oxtail contains approximately 40% bone and cartilage, 18% intermuscular fat, and 42% lean meat. During long braising, 35 to 45 grams of pure collagen per pound dissolves into the liquid, naturally creating a glossy, lip-coating demi-glace.
Configure Parameters
4.0 lbs
4.0 cups
Calculated Targets
Net Cooked Edible Meat Yield
1.28 lbs (20.5 oz)
32.0% Net Edible Yield (Serves 2 - 3 Generous Portions)
Bone & Cartilage Discard
1.68 lbs (42.0%)
Rendered Liquid Tallow to Skim
0.88 Cups (7.0 oz)
Extracted Gelatin in Braise
68 g (2.4 oz)
Sauce Body & Gelatin Index
17.0 g / cup (Velvety Demi)
Tip: Chill braised oxtail overnight in its cooking broth. The rendered tallow hardens into an airtight protective top seal that lifts off effortlessly, leaving a crystal-clear, intensely gelatinized stew base below.
Oxtail Anatomy, Yield Distribution & Braising Metrics
| Oxtail Section / Cut | Lean Meat % | Bone & Cartilage % | Cooked Meat Yield per 5 lbs | Extracted Gelatin per 5 lbs |
|---|---|---|---|---|
| Premium Center Cut (Vertebrae 1-8) | 45% - 48% | 32% - 36% | 1.6 - 1.7 lbs (26 - 28 oz) | 75 - 90 g |
| Mixed Whole Pack (Full Tail) | 38% - 42% | 40% - 44% | 1.3 - 1.5 lbs (21 - 24 oz) | 85 - 100 g |
| Tail End Pieces (Vertebrae 9-18) | 25% - 30% | 52% - 58% | 0.9 - 1.1 lbs (14 - 17 oz) | 105 - 120 g |
| Oxtail Bone-Only Stock Base | 5% - 10% | 75% - 85% | 0.2 - 0.3 lbs (3 - 5 oz) | 120 - 145 g |
Precision Master Protocol
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11. Pat Dry & Season: Pat oxtail pieces thoroughly dry with paper towels. Season liberally on all sides with kosher salt and freshly cracked black pepper 30 minutes prior to searing.
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22. High-Heat Hard Sear: Heat a heavy cast-iron Dutch oven over medium-high heat with 1 tablespoon of tallow. Sear oxtail sections in batches without crowding for 3 to 4 minutes per side until a deep mahogany crust forms.
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33. Deglaze Fond: Remove oxtails to a plate. Drain off excess rendered fat, leaving 1 tablespoon in the pot. Saute mirepoix (onion, carrot, celery) and tomato paste, then deglaze with red wine or rich beef stock, scraping up all caramelized fond.
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44. Braising Assembly: Return oxtails and any accumulated resting juices to the pot. Add braising liquid (stock and wine) to reach halfway up the sides of the meat. Add thyme, bay leaves, and allspice berries.
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55. Low & Slow Braise: Cover with a tight-fitting lid and transfer to a 300 F (149 C) oven for 3.5 to 4.5 hours (or pressure cook for 50 minutes). The meat is done when it is fork-tender and effortlessly pulling away from the vertebrae.
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66. Skim & Reduce Sauce: Remove meat gently. Strain the braising liquid through a fine-mesh sieve. Skim off the clear top layer of rendered tallow (or chill overnight to lift the hardened disk off). Simmer the remaining gelatin-rich sauce until it coats the back of a spoon.
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