Preparation
Trim the meat and rub with salt.
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Wash the leek and cut into rings. Peel and chop the carrots and celery. Peel and chop the garlic.
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Heat the oil in a large frying pan and sauté the meat until browned all over.
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Remove the meat from the pan and season with pepper. Add the vegetables to the pan and sauté for 5 minutes. Season with salt, pepper and lemon zest. Add the tomato paste and saute for 1-2 minutes.
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Pour in the wine and stock, add the meat and cook, covered, for 21/2 hours, turning occasionally.
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Remove the meat from the sauce and pour the sauce through a sieve.
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Wrap the meat in foil and let it rest.
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Season the sauce. Mix the cornflour with the cream and stir into the sauce to thicken. Slice the meat and serve with the sauce. Serve with dumplings if desired.
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