A simple, aromatic vegetable curry that is gentle and warming on the palate. Serve the curry as soon as the vegetables are cooked as reheating it will cause them to discolour.
Heat oil in a deep-fryer to 180°C and fry eggplant dice until golden. Remove with a slotted spoon and drain on paper towel.
Melt ghee in a large saucepan and fry onion for a few minutes, then add garlic, ginger and chilli and fry for a further 5 minutes over moderate heat until beginning to colour.
Stir in korma, then add mushrooms and fry for 2 minut