Spiced Indian potato wraps - Good Food Middle East

Ingredients

• 4 sweet potatoes, cut into chunky wedges
• 1 red chilli, finely chopped
• 2 tbsp olive oil
• 2 tsp cumin seeds
• 1 tbsp garam masala
• 1 red onion, thinly sliced
• juice 1 lime
• 2 tsp sugar
• 6-9 chapatis
• 150ml natural yogurt
• large bunch coriander