Professional technique:collagen, gelatin and slow deep cooking
Sear at high heat, then cook for hours at 85-95°C with liquid: collagen melts above 70°C into gelatin (McGee, 2004). The cheapest cut of meat transformed into the most flavorful dish on the menu.
In brief
Stewing is slowly cooking meat in a covered pan with minimal liquid at low temperature (85-95°C). Braising follows the same process but includes searing the meat beforehand for color and flavor (fond formation via the Maillard reaction). Both methods convert collagen to gelatin for a tender texture.
- Braising = searing (Maillard, 180-230°C) + slow cooking in liquid (85-95°C)
- Stewing = cooking directly in liquid without searing (paler end product)
- Collagen conversion to gelatin: above 70°C, optimal at sustained 85°C (McGee, 2004)
- Acid accelerates collagen hydrolysis by 25-40%: wine or tomato as standard (Modernist Cuisine, 2011)
Stewing and braising methods
Fond braising (low liquid)
Fond braising: meat is seared and then cooked in a covered Dutch oven with minimal liquid (just covering the bottom of the meat) in the oven at 150-165°C. The meat is regularly basted with its own pan juices. Escoffier (1903) describes fond braising as the most characterful method: the limited liquid produces a more concentrated jelly upon cooling. Classic applications: roast, beef cheeks, lamb shank.
Examples: Beef cheeks, lamb shank, stuffed roast
Mouille braising (more liquid)
Mouille braising: more liquid (3/4 of the meat submerged), always at 150-165°C in the oven or on low heat. The higher liquid ratio produces a milder flavor and less concentrated sauce. CIA (2011): mouille braising for larger cuts requiring longer cooking times (4-8 hours). The liquid (stock, wine, beer) also serves as the base for the sauce, which is reduced after cooking.
Examples: Coq au vin, boeuf bourguignon, poached pears
Braising vegetables
Braised vegetables: fennel, endive, leek and carrots are cooked in a covered pan with butter, stock and a light herb base. The temperature is lower than for meat (70-85°C) to preserve texture. McGee (2004) describes how pectin in plant cell walls breaks down above 82-85°C: braising preserves texture better than boiling because the temperature stays closer to the breakdown point without exceeding it.
Examples: Braised endive, braised fennel, braised leeks
Auguste Escoffier, Le Guide Culinaire (1903); CIA, The Professional Chef 9th ed. (2011); Harold McGee, On Food and Cooking (2004)
The science of stewing and braising
Collagen to gelatin
Collagen in connective tissue has a triple helix structure. McGee (2004): the helix begins to unfold at 60°C; full conversion to gelatin occurs at sustained 70-80°C. Gelatin absorbs water and creates a silky-smooth texture. Meat that would be dry at 65°C becomes tender at 85-95°C.
Role of acid in collagen hydrolysis
Acid (wine, lemon juice, tomato) accelerates the hydrolysis of collagen peptide bonds. Modernist Cuisine (2011): 25-40% faster conversion at pH 4-5 (wine). In practice: braising liquid with red wine achieves the same result in less time. Too much acid (pH <3.5) slows myosin denaturation.
Maillard reaction during searing
Searing at 180-230°C creates 500+ new flavor compounds (Maillard reaction). The fond (caramelized sugars and proteins) in the pan is deglazed with liquid: all those flavor compounds dissolve into the braising liquid. Escoffier (1903): "never braise without searing; the color is the flavor."
Step-by-step method
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1
Dry the meat
Pat the meat completely dry. Moist meat steams during searing instead of browning: the Maillard reaction requires a dry surface.
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2
Season
Season with salt and pepper just before searing. Salting well in advance (>30 minutes) draws moisture to the surface and actually promotes a drier crust; seasoning just before searing results in less moisture loss.
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3
Sear on high heat
Heat the Dutch oven on high heat with a mix of oil and butter. Sear the meat at 180-230°C surface temperature until a deep brown crust forms on all sides (Maillard reaction).
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4
Prepare the aromatic base
Sweat the mirepoix in the same pan after searing. Caramelize the vegetables until golden brown: pincage for fond brun.
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5
Deglaze with liquid
Add wine or stock and scrape all caramelized residue (fond) from the bottom: these are the flavor compounds from the Maillard reaction.
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6
Add liquid and meat
Add sufficient liquid (fond braising: 1/3 of the bottom covered; mouille: 3/4 covered). Place the meat in the pan.
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7
Cook in the oven at 150-165°C
Place the covered Dutch oven in an oven at 150-165°C. Target liquid temperature: 85-95°C. Do not boil: a rolling boil dries out the meat.
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8
Check core temperature and cool correctly
Beef cheeks/lamb shank: 85-90°C core. After cooking: cool according to NVWA protocol (65°C to 10°C within 2 hours using an ice water bath).
HACCP and food safety for stewing and braising
Clostridium perfringens spores survive the cooking process and can proliferate at 40-60°C. NVWA mandates two-step cooling: from 65°C to 10°C within 2 hours (step 1), then from 10°C to 4°C within a maximum of 2 additional hours. Record the time and temperatures in the HACCP logbook: inspectors check this systematically.
Beef (stew/braise): minimum 75°C core temperature (NVWA, 2024). Poultry: minimum 75°C (Campylobacter is inactivated above 70°C). Pork: minimum 70°C core. Note: braised dishes are cooked for flavor above the minimum core temperature (85-90°C for collagen conversion).
Always reheat braised cuts to a minimum of 75°C core before serving (NVWA). Never heat for less than 15 minutes at the correct core temperature after reheating. Do not reuse the same sauce over multiple days without fully reheating to 90°C in between. Store braising liquid separately from meat in refrigeration at a maximum of 4°C.
Stewing and braising times per product
| Product | Weight | Oven temperature | Cooking time | Core temperature |
|---|---|---|---|---|
| Beef cheeks | 150-200g/piece | 150°C | 3-4 hr | 85-90°C |
| Lamb shank | 300-400g | 160°C | 2.5-3 hr | 85-90°C |
| Oxtail | 200-250g/piece | 150°C | 4-6 hr | 85-90°C |
| Pork shoulder | 1-1.5kg | 160°C | 4-5 hr | 80-85°C |
| Chicken (whole) | 1.2-1.5kg | 165°C | 1.5-2 hr | 75°C |
| Braised endive | per half head | 70-80°C | 20-30 min | Tender |
CIA, The Professional Chef 9th edition (Wiley, 2011); NVWA Core Temperatures (2024)
Food cost of stewing and braising
- Stewing and braising cuts are the cheapest meat parts: beef cheeks, lamb shanks and shoulder cost 1/3 to 1/4 of prime cuts
- Slow cooking transforms unpopular, inexpensive cuts into highly valued dishes: higher margins possible
- Braising liquid (stock + wine): approximately 0.30-0.60 euros per portion; the liquid becomes the sauce with zero waste
- Energy costs: oven at 150°C for 4-6 hours; lower than grilling at 250°C but longer duration; calculate per hour
- Portion braised cuts after cooking and cooling: cutting cold is more uniform and yields 10-15% less waste than cutting hot
Frequently asked questions
What is the difference between stewing and braising?
Why does stew meat become more tender the longer it cooks?
Why do you add wine to a stew?
How do I correctly cool a large pot of stewed meat?
Which cuts of meat are most suitable for braising?
Can I braise in advance and reheat?
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Food safety & HACCP
The HACCP guidelines, temperatures and storage advice on this page are based on Codex Alimentarius (WHO/FAO) as the global baseline standard and EU Regulation 852/2004. Local laws and regulations may differ. Always consult your national food safety authority for the applicable standards in your region:
- Netherlands: NVWA (nvwa.nl)
- Belgium: FAVV (favv-afsca.be)
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- United Kingdom: FSA (food.gov.uk)
- United States: FDA (fda.gov) — FDA Food Code
- EU general: EU Regulation (EC) 852/2004 on food hygiene
- International: Codex Alimentarius CAC/RCP 1-1969 (revised 2020)
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- Auguste Escoffier — Le Guide Culinaire (Flammarion, 1903; reprint Wiley, 2011)
- CIA (Culinary Institute of America) — The Professional Chef, 9th edition (Wiley, 2011)
- Harold McGee — On Food and Cooking (Scribner, 2004) — collagen-gelatin conversion
- Modernist Cuisine, Vol. 3 (The Cooking Lab, 2011) — acid effect on collagen hydrolysis
- NVWA — Core Temperatures and Cooling Protocols for the Hospitality Industry (2021/2024)
