Sri Lanka Kadju (Curried Cashew Nuts)

1. milk, chile powder, salt, fenugreek and curry leaves.
2. Bring to the boil and simmer for 5 minutes.
3. Heat the oil in a frying pan and toss in the onion for a couple of minutes.
4. Add the cashew nut mixture and cook for a further 3 ~4 minutes then sprinkle with remaining curry powder.