overnight. When ready to cook, set on a broiler tray or grill and cook under moderate heat, turning every 5 minutes. (The bacon will baste the meat.) The surface will be crusty and the inside cooked within 25 minutes. To serve: Put out the bread, meat, tomatoes seasoned with the vinegar and oil, parsley and yogurt in separate dishes. Guests may open pocket bread and stuff them with meat and seasonings.