Invisible Keto

Making real food for real people.

Duck Confit

Silky and fall-apart tender, this modern approach to duck confit doesn't require submerging in fat. Sous vide is required.

Ingredients

(per duck leg)

  • 1 duck leg (thigh + drumstick)
  • 1 tsp kosher salt
  • Minced garlic to taste
  • Freshly ground black pepper
  • Pinch thyme or rosemary
  • Optional:
    • 1 garlic clove, lightly smashed
    • Small sliver of lemon peel
    • 1 tsp duck fat (for bag)

Method

3. Sous-Vide Cook

Season duck all over with salt and pepper. Rub garlic onto the meaty side of each leg and set a thyme sprig on top. Slide duck legs into vacuum bags and seal according to vacuum-sealer manufacturer's instructions.

Cook at 155°F for 36 hours.

4. Chill

Transfer sealed bags directly to an ice bath for 15 minutes, until fully cold.

5. Dry and Flash Freeze

Remove legs from bags and pat very dry. Place uncovered on a tray and freeze until the surface is solid (1–2 hours).

6. Package for Storage

Once surface-frozen, transfer legs to:

  • Zip-top bags
  • Vacuum bags
  • Or rigid containers

Freeze for up to 6 months with no quality loss.

Reheating & Crisping

Air Fryer (Preferred)

From frozen:

  • 400°F for 15–20 minutes
  • Skin side up
  • No oil required

From sous vide (reheated at ~140°F / 60°C):

  • Pat very dry before cooking
  • Optional: light brush of duck fat for extra blistering
  • 400°F for 6–10 minutes, skin side up

Pan-Seared

From thawed or SV-warmed legs:

  • Medium–high heat
  • Skin side down until glassy and crisp
  • Flip for ~30 seconds

Sous-Vide Reheat (Non-Crispy)

For slicing into salads or composed plates:

  • 140–150 °F for ~45 minutes
  • Do not crisp
  • Serve warm, tender, and richly seasoned

Inspirations