If you are unsure what “confit” means, it is a French preservation and cooking technique: the meat is first cured with salt to draw out moisture, then slowly cooked in its own fat until tender. Below is a clear, modern take on duck leg confit using sous vide cooking for consistent results and less fat.
Duck legs are tougher than breasts and benefit from long, gentle cooking to break down connective tissue. Traditional confit requires a large amount of duck fat. Sous vide lets you achieve the same tender texture using much less fat while maintaining flavor and improving reproducibility.
Equipment
- Sous vide immersion circulator (popular models include Anova or Joule).
- Container for the water bath—large pots work, or a sturdy rectangular container for bigger batches.
- Vacuum sealer with bags, or heavy-duty freezer Ziploc bags. If using Ziploc, use the water-displacement method to remove air before sealing.
Sous Vide Duck Confit Cooking Times and Temperature
Sous vide produces reliably tender duck legs with minimal texture differences compared to traditional confit; the main advantage is using far less fat and achieving precise doneness.
Cook at 144°F (62°C) for a tender but slightly firmer texture, or 180°F (82°C) for a more traditional, fall-off-the-bone confit. The recipe below uses a long, low sous vide cook to render connective tissue and create a silky result.
Best Sous Vide Duck Confit Recipe
This recipe begins with a salt cure to season and firm the meat, followed by a sous vide bath with a modest amount of fat. The final step is to brown the skin for crispness and color.
Ingredients
- 2 whole duck legs
- 1 tablespoon kosher salt
- 1 tablespoon whole black peppercorns
- 3 sprigs fresh thyme
- 2 bay leaves
- 1/2 cup duck fat (or neutral vegetable oil as an alternative)
- Salt and freshly ground pepper for finishing
Directions
- Make the cure by combining kosher salt, crushed black peppercorns and the thyme. For best results, cure the legs the day before cooking.
- Rub the cure evenly over the duck legs. A common guideline is about an 18% cure-to-meat ratio by weight (for example, roughly 90 g of cure for 500 g of duck legs).
- Place the cured legs in a vacuum bag or a sealed container and refrigerate for 24 hours to allow the seasoning to penetrate. Vacuum sealing accelerates the process but is not strictly required.
- After curing, rinse or pat the legs to remove excess salt and dry thoroughly with paper towels.
- Preheat your water bath to your chosen temperature (144°F / 62°C for tender, 180°F / 82°C for traditional confit texture).
- Place the duck legs into sous vide bags with the duck fat (or oil) and bay leaves. Remove air by vacuum sealing or using the water-displacement method with a zip-top bag.
- Submerge the sealed bags in the water bath and cook for 12 hours. This long, gentle cook will render connective tissue and gently infuse flavor.
- When cooking is complete, remove the bags from the water and take out the duck legs. Pat dry and season lightly with salt and pepper as needed.
- Finish by browning the legs to crisp the skin: sear skin-side down in a hot skillet for a few minutes until golden, or use a torch for spot-finishing. Serve immediately while the skin is crisp and the meat is tender.
This sous vide approach to duck confit produces reliably tender legs with less waste and a cleaner, more consistent result than traditional large-batch confit. The gentle temperature control of sous vide preserves delicate flavors while the final sear gives the classic crisp skin and attractive color.