2 large aubergines, cut into quarters, thickly sliced
good glug groundnut oil
2 onions, peeled and roughly chopped
3 large, juicy garlic cloves, peeled, chopped
finger-length piece fresh root ginger, peeled and cut into fine shreds
6-8 cardamom pods
1-2 good pinches dried chilli flakes
1-2 tsp ground turmeric
1-2 tsp cumin seeds
6-8 tomatoes, roughly chopped
salt and freshly ground black pepper
few good dollops natural yoghurt
dollop crème fraîche
small handful fresh coriander, roughly chopped
small handful fresh mint leaves