1. Put cumin seed powder, paprika, turmeric powder, natural yoghurt into sliced lamb, mix well and marinate for 20 mins. Peel onion and cut into strips.
2. Heat the oil, put in onion, stir fry until soft, then put in sliced lamb, stir fry until half cooked.
3. Put in red curry sauce, sugar, a little water, stir fry for 3 mins with high heat.