Duck agnolotti, Jerusalem artichoke, sunflower seed puree, pickled plums

Filippo Alessandri

Filippo Alessandri

18th September 2026
Filippo Alessandri

Duck agnolotti, Jerusalem artichoke, sunflower seed puree, pickled plums

300 min

Seasonal duck agnolotti dish by Filippo Alessandri, executive chef of Michelin-starred The Ninth in Fitzrovia.

Ingredients

duck brine

  • 10L water
  • 1kg salt
  • 500g sugar
  • 1 bunch of thyme
  • 2 heads of garlic

confit duck legs

  • 10 duck legs
  • duck brine
  • duck fat

agnolotti mix

  • 1.5kg duck leg confit
  • 500g chicken liver
  • 400g confit shallots
  • 250g duck jus
  • sherry vinegar
  • duck skin

tarragon oil

  • 300g tarragon leaves
  • 1L grapeseed oil

Jerusalem artichoke & sunflower seed purée

  • 2kg Jerusalem artichokes, sliced
  • 100g white wine
  • 250g butter
  • 2L water
  • 500ml double cream
  • grated nutmeg, to taste

duck sauce

  • 10kg duck bones
  • 3kg onions
  • 1 head of garlic
  • 4 sprigs thyme
  • 3 bay leaves
  • sherry vinegar
  • 10L golden chicken stock

pickled greengage

  • 360g rice vinegar
  • 240g sugar
  • greengages

serve

  • 10 duck agnolotti
  • duck sauce (monté with butter and sherry vinegar)
  • pickled greengage plums
  • pickled cobnuts
  • tarragon oil and tarragon leaves
  • Jerusalem artichoke and sunflower seed purée

Method

confit duck legs

Brine the duck legs for 12 hours.
Rinse with cold water, then vacuum-pack with duck fat.
Cook in a water bath at 85°C for 5 hours.

agnolotti mix

Pan fry the chicken livers, deglaze with sherry vinegar, then allow to cool before chopping finely.
Chop the crispy duck skin.
Process the duck leg confit meat in a food processor, then mix in the chopped chicken liver.
Cook a small sample to check seasoning.
Vacuum pack into piping bags.

tarragon oil

Heat the grapeseed oil in a pan until it reaches 70°C.
Combine with the tarragon leaves and blend in a high-speed blender for 6 minutes.
Chill immediately over ice, then place in the freezer to allow the oil to separate.

Jerusalem artichoke & sunflower seed purée

Sweat the sliced Jerusalem artichokes in butter, season, and cover with a lid to cook for 15 minutes.
Add the white wine and reduce.
Add the water and sunflower seeds, then simmer until the artichokes are completely soft.
Add the double cream, bring to the boil, and remove from.
Season with salt and grated nutmeg, then blitz until smooth and pass through a chinois the heat.

duck sauce

Chop the duck bones and roast until golden brown.
Deglaze with sherry vinegar.
Roast the onions in olive oil.
Combine the bones, onions, herbs, garlic, and golden chicken stock in a deep gastro tray.
Cover, bring to temperature, and slowly cook in the oven at 85°C for 5 hours.
Drain the stock and set in the fridge overnight.
Remove the top layer of fat, then reduce to desired consistency.

pickled greengage

Bring the rice vinegar and sugar to the boil, then allow to cool.
Cut the greengages and pickle in the liquid just before serving.

serve

Cook 10 duck agnolotti and finish the duck sauce by mounting it with butter and sherry vinegar.
Plate the agnolotti alongside the Jerusalem artichoke and sunflower seed purée, pickled greengage plums, pickled cobnuts, tarragon oil, and fresh tarragon leaves.

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