
Ingredients
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½ large orange (for the duck)
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1.8kg (4lb) whole ready-to-roast duck
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2 teaspoons flaked sea salt, plus extra to season
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2 bay leaves
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½ onion, cut into four wedges
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½ onion, peeled and thinly sliced
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4 tablespoons orange liqueur (Cointreau)
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75mL (2½ fl oz) red wine
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Juice of 1½ large oranges (approx. 150mL or 5fl oz)
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3 tablespoons orange marmalade
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2 teaspoons cornflour (use 1 teaspoon for a thinner sauce)
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01
Prepare duck
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Preheat oven to 210°C (400°F/Gas 6½).
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Peel the orange in wide strips using a vegetable peeler.
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Stack three strips, trim sides, and cut into thin julienne strips. Set aside.
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Prick the duck skin all over with a skewer to release fat, being careful not to go too deep.
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Place the orange half inside the duck cavity, along with bay leaves and onion wedges.
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Season the duck with salt and pepper.
02
Roast duck
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Place the duck on a rack inside a sturdy roasting tin.
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Roast for 45 minutes, then remove from the oven and drain the fat into a heatproof bowl.
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Return the duck to the oven for 35-45 minutes, or until the skin is golden and crisp.
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Test doneness by wiggling the leg; it should be loose. If not, roast for another 10 minutes.
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Transfer the duck to a board or warmed platter, loosely cover with foil, and rest for 15 minutes.

03
Sauce

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Drain all but 1 tablespoon of duck fat from the tin.
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Fry the sliced onion in the tin over medium heat for 5 minutes, stirring until softened.
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Add orange liqueur and wine, letting it bubble briefly.
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Stir in orange juice and 150mL cold water. Simmer for 2 minutes, scraping up any meat sediment.
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Strain the liquid into a small saucepan through a fine sieve
04
Serve
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Add reserved julienne orange strips and marmalade to the strained liquid. Bring to a simmer.
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Mix cornflour with 1 tablespoon cold water, then stir into the sauce. Cook for 1-2 minutes until thickened and glossy.
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Stir in any juices from the resting duck. Simmer briefly.
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Serve the carved duck with onion wedges and pour a little sauce over each portion. Serve the remaining sauce separately in a warmed jug.
