Baingan and aloo sabzi (aubergine and potato curry) recipe

Ingredients

• 2 small aubergines, cut into 3cm cubes
• 1 tsp ground turmeric
• 60ml sunflower oil
• 1 tsp cumin seeds
• 200g red onions, thinly sliced
• 10g fresh ginger, peeled and thinly sliced
• 4-5 large garlic cloves, thinly sliced
• 2-3 green chillies, cut in half lengthwise
• 1 large tomato, chopped
• large handful of coriander, chopped
• 1 tsp ground coriander
• 1 tsp garam masala
• 200g potatoes, peeled and cut into 2cm-thick half-moons