Hot and Sour Fish from Ujung Pandang

This is a delicious cold fish for a picnic, served with a good summer salad. It is also excellent as a sandwich filling if you mix a little mayonnaise into it to moisten it. Indonesians of course still eat pallu mara with rice, either plain boiled rice or compressed rice, but now that I have made a lot of un-Indonesian rice salads, I really think that a rice salad is the right accompaniment for this fish.

The taste is much better if the fish is cooked a day in advance. We normally u