Vegan rogan josh recipe

Ingredients

• 3 red chillies
• 4 garlic cloves, peeled
• 4cm-piece root ginger, peeled
• 1 tbsp tomato purée
• 3 tbsp vegetable oil
• 1 large aubergine, cut into 3cm chunks
• 4 green cardamom pods
• 6 black peppercorns
• 1 bay leaf
• 1.5cm cinnamon stick
• 1 onion, finely chopped
• 1 tsp sugar
• 1 tsp ground cumin
• 2 tsp ground coriander
• 100g dairy-free coconut yogurt
• a large pinch of garam masala
• a handful of chopped coriander, to serve
• a handful of desiccated coconut flakes, to serve