Flatbread with sweet potato and coriander recipe

Ingredients

• 1 sweet potato
• 100g plain flour, plus more for dusting
• 70g chickpea flour
• 1/2 tsp salt
• 2tsbp ghee, or clarified butter
• 1 small red onion, finely chopped
• 1 garlic clove, finely chopped
• 1tsp coriander seeds crushed
• 1tsp turmeric powder
• 25g coriander leaves, chopped
• juice of 1/2 lime