Chilli chicken wraps

Name: Chilli chicken wraps
Ingredients: 2 tbsp vegetable oil; 6 boneless, skinless chicken thighs, cut into bite-sized pieces; 1 large onion, thinly sliced into half-moons; 2 garlic cloves, finely chopped; 3cm piece ginger, peeled and finely chopped; ½ tsp ground cumin; ½ tsp garam masala; 1 tbsp tomato purée; 1 red chilli, thinly sliced into rings; juice ½ lemon; 4 rotis, warmed; ½ small red onion, chopped; 4 tbsp mango chutney or lime pickle; 4 handfuls mint or coriander; 4 tbsp yogurt