A big bunch of seedless black grapes • Salt • Red chilli powder, • oil (for the tadka) • turmeric powder • of mustard seeds (for the tadka) • Sugar, (optional – skip this if the grapes are naturally sweet) • Tamarind paste, (optional – use this only if the grapes are very sweet and not tangy at all) • piece of fresh ginger, peeled and very finely chopped or grated (optional) • of asafoetida