Turkish lamb kebabs

Ingredients

• Marinade
• 1/4 cup olive oil
• 6 cloves garlic, crushed
• 1 tablespoon whole cumin seeds
• 1 tablespoon ground allspice
• 1 tablespoon sesame seeds
• juice and zest of 1 lemon
• 1 1/2 kilograms boneless lamb leg or shoulder
• Prunes
• 3/4 cup pitted prunes, halved
• 2 oranges
• Minted yoghurt sauce
• 1/2 cup unsweetened yoghurt
• 1/4 cup mayonnaise
• 1 clove garlic, crushed
• 1 bunch mint, finely chopped
• To serve
• 10 wraps, flatbread or mountain bread
• hummus, sliced cucumber