Korean crusted roast lamb - Good Food Middle East

Ingredients

• bunch spring onions, roughly chopped
• large piece of ginger
• 1 tbsp sesame oil
• 3 tbsp soy sauce
• 2 tbsp mirin
• ½ tsp golden caster sugar
• 2 tbsp sesame seeds
• 1 tsp black peppercorns
• 2kg whole leg of lamb
• 1 tbsp sunflower oil
• Baby Gem lettuce leaves, to serve (optional)
• shredded carrot, to serve (optional)
• cucumber, to serve (optional)
• Korean chilli sauce, to serve (optional)