Chicken Shawarma - Georgina O'Sullivan Cooks

Ingredients

• 1.5kg free range chicken
• 3/4 cloves garlic, chopped
• 1 thumb size piece ginger, chopped
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• ½ teaspoon turmeric
• ½ teaspoon cayenne
• 1 teaspoon sumac
• 1 teaspoon sugar
• 1 tablespoon olive oil
• juice of 1 lemon
• sea salt and black pepper
• 2 tablespoons Greek style yogurt
• 2 tablespoons tahini
• 1 cucumber, thinly sliced
• 1 red onion, thinly sliced
• 1 tablespoon sugar
• 1 tablespoon red wine vinegar