Ingredients

• 1 lb ground lamb (preferably leg, with all the fat) or 1 lb ground chuck
• 1 small red onion, finely minced
• 2 garlic cloves, finely minced
• 1 egg, lightly beaten
• 1/3 cup dry breadcrumbs
• 2 tablespoons Greek yogurt or 2 tablespoons sour cream
• 1 teaspoon dried oregano (well-rubbed between your fingers)
• 1/2 teaspoon ground cumin
• 1/4 teaspoon ground cinnamon
• 1/4 teaspoon ground allspice
• 1/4 teaspoon ground cayenne pepper
• salt and pepper
• 1 cup Greek yogurt (no other yoghurt will do) or 1 cup sour cream
• 1 garlic clove, crushed to a paste
• 3 tablespoons olive oil
• 1 tablespoon red wine vinegar
• 5 fresh mint leaves, minced
• 1/4 cup fresh dill, minced
• salt
• fresh tomato, thinly-sliced
• 1 tablespoon red wine vinegar
• 1/4 cup cucumber, grated, squeezed dry (unpeeled, washed)