2.Dust lamb in flour, shaking off excess. Heat half oil in a large flameproof casserole dish over high heat. Brown lamb in 2-3 batches, 3-4 minutes each. Transfer to a plate.
4.Stir in soup, wine and chilli and bring to the boil. Return meat to pan with juices. Bake, covered, 1 ½ hours, until lamb is very tender (adding water as required).
5.Stir mushrooms and capsicum through. Bake, covered, a further 25-30 minutes, until lamb is tender. Season to taste.
6.Mix sour cream through. Serve topped with a little sour cream and parsley. Accompany with pasta and crusty bread.