Wash leg of lamb, dab dry and cut into medium-sized cubes. Heat the oil in a frying pan and fry the meat in it for about 5 minutes. In the meantime cut the bacon into strips. Peel and chop the onion. Add the bacon and onion to the meat and fry them. Add tomato paste, sweat briefly and dust with flour. Deglaze with red wine and stock and add bay leaf.
Cover with a lid and braise in the preheated oven (electric cooker: 225 ° C/ gas: level 4) on the lower shelf for 40-45 minutes. In the meantime, clean and peel the carrots and cut them into slices about 1 cm thick. Wash and clean the leeks and cut them into approx. 1 cm thick rings. Add the carrots about 10 minutes and the leek about 5 minutes before the end of the cooking time to the lamb. Stir in currant jelly. Season with salt and pepper