Wash the spinach well, discard any tough stems and roughly chop the leaves. Cut pumpkin into small cubes. String beans, if used, and cut into short lengths.
Heat the oil in a karahi or saucepan and fry the tnustard seeds until they begin to pop. Add the onion and ginger and fry, stirring now and then, until onion is soft. Add turmeric and fry for 1 minute longer.
Add hot water, cashews and all the vegetables, cover and simmer until they are tender, then remove lid and cook, stirring frequently, until liquid is reduced. Serve with rice or chapatis. If serving with rice, leave rather more liquid; if serving with chapatis, allow it to reach a drier consistency. |