Often referred to as a pickle but actually a chutney, this tangy preserve goes well with Indian curries but also with Middle Eastern foods such as lamb and couscous.
Cut the limes into eighths and then cut each eighth into 4 pieces. Discard the seeds. Put the lime pieces in a large bowl and sprinkle over the salt. Cover the bowl and leave to cure in a cool place for 48 hours, stirring occasionally.
Drain the limes, rinse well under cold running water and drain.
Heat the oil in a large, heavy-based saucepan. Add th