Vegetable curry for a crowd - Good Food Middle East

Ingredients

• 1 large potato, diced
• 1 small butternut squash, peeled, deseeded and diced
• 1 aubergine, diced
• 6 tbsp tikka masala paste
• 3 tbsp vegetable oil
• 2 onions, sliced
• 680g-700g jar tomato passata
• 400g can coconut milk
• 2 red peppers, sliced
• 2 courgettes, diced
• few coriander sprigs, to serve
• rice or naan bread, to serve