Potato & chickpea chaat

Ingredients

• 1 400g tin chickpeas, drained and dried
• 1 tbsp of vegetable oil, plus more as needed
• 1 tsp ground cumin
• 1 tsp chilli powder
• 1 tsp cumin seeds
• 10 curry leaves
• 1.2kg Nanna Tate potatoes, peeled and cut into 3cm chunks
• 1 tsp turmeric
• 1 bunch of fresh mint
• 1/2 bunch of fresh coriander
• 1 green chilli, roughly chopped
• 1 lime, juiced
• 1 tbsp of plain yoghurt
• 1 tsp ground coriander
• 1/2 tsp chilli powder
• 1/2 tsp chaat masala