- 15g/½oz sea salt
 - 2 tsp finely chopped thyme leaves
 - 2 garlic cloves, finely chopped
 - 4 duck legs
 - 600ml/20fl oz duck fat
 - 2 bay leaves
 - 2 tbsp olive oil
 - 4 tbsp honey
 - 4 tbsp celery leaves, to garnish
 - 2 tbsp rapeseed oil
 - 100g/3½oz pancetta, diced
 - 2 shallots, finely chopped
 - 1 garlic clove, finely chopped
 - 1 small carrot, finely chopped
 - 1 stick celery, finely chopped
 - ¼ leek, finely chopped
 - 300g/10½oz Puy lentils
 - 175ml/6fl oz red wine
 - 450ml/16fl oz veal jus or stock
 - 2 tbsp good-quality sherry vinegar
 - 2 tbsp chopped fresh parsley
 - 1kg/2lb 4oz floury potatoes, peeled and cut into chunks
 - 125g/4½oz butter
 - 125ml/4fl oz double cream
 
- Preheat the oven to 140C/120C Fan/Gas 1.
 - Mix the salt, thyme and garlic in a large bowl. Coat the duck legs with the mixture then place on a tray with any remaining mixture on top and underneath. Refrigerate for 24 hours. Rinse the duck legs under cold running water to wash away the salt mixture.
 - Place the duck in a flameproof casserole with a lid and add the duck fat and bay leaves. Bring to a simmer, then put the lid on and cook in the oven for 2½ hours. Remove the duck from the fat and set aside. Discard the fat.
 - For the Puy lentils, heat the oil in a sauté pan or a large frying pan. Once hot, add the pancetta and shallot and cook for 2 minutes. Add the garlic, carrot, celery and leek and cook for a further 2 minutes.
 - Add the lentils and red wine and bring to the boil. Cook until the volume of liquid has reduced by half. Add the stock and cook for 25-30 minutes. When the lentils are tender, stir in the sherry vinegar and parsley.
 - Place the potatoes in a large pan of salted water and bring to the boil. Reduce the heat and simmer for 12-15 minutes, or until the potatoes are tender.
 - Drain and return the potatoes to the pan. Place over the heat for a minute to drive off any excess moisture. Pass through a potato ricer or mash thoroughly until smooth. Stir in the butter and cream, beating until smooth.
 - To finish the duck confit, heat the olive oil in a frying pan. Once hot, add the honey and the duck legs. Cook the duck for 2 minutes on each side, basting all the time.
 - Divide the lentils and mashed potatoes between serving plates. Serve the duck legs on top of the Puy lentils and garnish with celery leaves.