Braised Lamb With Prunes with navy

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[...]

1 cup white kidney beans, dried dried, great northern or navy beans, prefer cannellini * 1 large garlic head * 1 tablespoon olive oil 4 Lamb lamb shanks[...]