Braised Lamb With Prunes without drippings broth

2/3 cup dried haricot beans (or white Navy or other white beans) 2 1/2 boned shoulder of lamb, tied with string (or leg) 1 oz butter (clarified if you have[...]

For the root vegetables: 10 small carrots, peeled and cut into medium dice 8 small turnips, peeled and cut into medium dice 8 small parsnips, peeled and cut[...]

olive oil 4 lamb fillets (you could also use one large fillet of about 600g if that is all you can get.) 1 small leek , finely diced 3 garlic cloves , crushed[...]