Sous Vide Intermediate 130 min

Sous Vide Duck Breast

Duck breast cooked sous vide for 2 hours at 57°C, then skin rendered in a cold dry pan — rosy meat, crackling skin.

Sous Vide Duck Breast illustration

Steps

  1. 01

    Preheat the sous vide bath to 57°C (135°F). Using a sharp knife, score the duck skin in a crosshatch pattern, cutting about 1 cm deep without piercing the flesh. Season both sides generously with salt and pepper.

  2. 02

    Place the duck breast with the thyme and crushed garlic in a vacuum seal bag or zip-lock bag. Remove the air and seal.

  3. 03

    Cook in the sous vide bath at 57°C (135°F) for 2 hours.

  4. 04

    Remove the duck breast from the bag and pat completely dry with paper towels. Place skin-side down in a cold skillet with no added fat. Turn the heat to medium-high and let the fat slowly render for 5 to 6 minutes until the skin is golden and very crispy. Flip and sear the flesh side for 1 minute.

  5. 05

    Rest for 5 minutes, then slice on a bias and serve.

Why it works

What is fat rendering and how does it make food crispy?

Fat renders when heat ruptures fat cells and the liquid drains away, leaving a protein matrix that dries out and crisps through Maillard browning above 140°C. For skin-on poultry or pork belly, you need sustained high heat — not just warm — to drive the fat out and let the skin crackle.

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Why does 2 degrees make such a big difference in sous-vide?

Different proteins in meat set at different temperatures. Myosin — which keeps meat juicy — sets at 50–54°C. Actin — which makes meat dry and chewy — sets above 65°C. A 2°C difference can mean crossing one of these thresholds entirely. You're not just 'more cooked,' you're triggering a different texture.

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Why do you still need to sear food after sous-vide?

The Maillard reaction — the browning that creates flavor — requires two conditions: a dry surface and temperatures above 140°C. A water bath provides neither. The food surface is wet and the maximum bath temperature is 85°C. Searing after sous-vide isn't optional; it's a separate cooking step the bath cannot perform.

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Why is it important to rest meat after cooking?

Resting meat after cooking keeps it juicy when you slice it. Heat tightens muscle fibers and forces moisture toward the center; resting lets those fibers relax and reabsorb that moisture before it runs out onto the cutting board. Internal temperature also continues rising 2–5°C after you pull the meat, so resting is when the last of the cooking happens.

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Sous Vide Temperature Guide →

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01

Preheat the sous vide bath to 57°C (135°F). Using a sharp knife, score the duck skin in a crosshatch pattern, cutting about 1 cm deep without piercing the flesh. Season both sides generously with salt and pepper.

Duck breast 400 g
Salt 5 ml
Black pepper 2 ml