Lamb and Fennel Torta

THE DOUGH for this rich Easter bread from Chania, on Crete, is very similar to that for Jewish challah, which is found all over Greece as tsoureki, a sweet festive bread shaped like a braid. The filling comes in many variations, but lamb or young goat and fresh cheese are its main ingredients. In some recipes, the meat is not cooked separately before it is added to the other filling ingredients; in others, including this version, the meat is partially cooked with herbs and spices bef