Sous Vide Duck Breast with Sweet Potato Purée, Bacon–Onion Jus, Potato Fondant & Creamed Asparagus Sauce
Components
  1. Sous Vide Duck Breast (medium-rare, crispy skin)
  2. Silky Sweet Potato Purée ← Your requested update
  3. Bacon–Onion Jus
  4. Potato Fondant
  5. Creamed Asparagus Sauce
  6. Charred Onion Petals (garnish)
1. Duck Breast (Sous Vide + Crispy Skin)
Ingredients
  • 2 duck breasts
  • Salt & pepper
  • 1–2 sprigs thyme
  • 1 garlic clove, lightly crushed
Instructions
  1. Trim & Score: Lightly score the duck skin in a crosshatch. Season both sides with salt and pepper.
  2. Bag: Add duck breasts, thyme, and garlic to a vacuum bag.
  3. Sous Vide:
  4. Sear:
  5. Rest: Let rest 5 minutes before slicing.
2. Silky Sweet Potato Purée (Updated Component)
Ingredients
  • 2 large sweet potatoes, peeled & cubed
  • 2 tbsp butter
  • 1–3 tbsp cream (or milk), as needed
  • Salt to taste
  • Optional: a touch of smoked paprika or maple syrup
Instructions
  1. Boil: Simmer sweet potato cubes in salted water until completely tender.
  2. Drain & Dry: Drain and let steam-dry 1–2 minutes.
  3. Blend: Add to a blender with butter, a splash of cream, and salt.
  4. Purée: Blend until velvety smooth. Add cream as needed.
  5. Finish: Adjust seasoning. Keep warm.
3. Bacon–Onion Jus
Ingredients
  • 2 slices smoked bacon, chopped
  • 1 small onion, diced
  • 1 garlic clove, smashed
  • 1 tbsp tomato paste
  • 1 cup beef or duck stock
  • 1 tsp balsamic vinegar
  • Optional: small knob of butter to finish
Instructions
  1. Sauté bacon until crisp.
  2. Add onion and cook until deeply caramelized.
  3. Add garlic and tomato paste; cook 1 min.
  4. Deglaze with stock; simmer 10–15 min until reduced and glossy.
  5. Strain; finish with balsamic and a touch of butter.
4. Potato Fondant
Ingredients
  • 2 large potatoes, cut into cylinders
  • Butter for searing
  • Chicken or vegetable stock
  • Thyme
Instructions
  1. Sear flat sides in butter until golden.
  2. Add stock and thyme; simmer gently until tender (10–15 min).
  3. Reduce remaining liquid to glaze the fondants.
5. Creamed Asparagus Sauce
Ingredients
  • 1 bunch asparagus (trimmed; tips reserved)
  • ½ cup cream
  • 1 tbsp butter
  • Salt
Instructions
  1. Blanch asparagus stems; shock in cold water.
  2. Blend with cream and butter until very smooth.
  3. Season lightly and strain for a refined texture.
6. Charred Onion Petals
Instructions
  1. Peel a small onion and separate into petals.
  2. Sear the cut sides in a hot pan until blackened but still firm.
  3. Season lightly.
1
1 comment
Alexandra Lauder
1
Sous Vide Duck Breast with Sweet Potato Purée, Bacon–Onion Jus, Potato Fondant & Creamed Asparagus Sauce
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