Chicken Shawarma Skewers from Lucy Loves

Ingredients

• 500g chicken breast or thigh fillet
• 2 tablespoons olive oil
• 2 tablespoons lemon juice
• scant teaspoon salt
• 3 garlic cloves, crushed
• 2 teaspoons curry powder
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• 1 small ripe avocado
• 2 tablespoons greek yoghurt
• 2 tablespoons mayonnaise
• juice half a lime
• generous shakes of salt and pepper