Jerusalem water salad

This is somewhere between a salad and a cold soup – chopped vegetables dressed with cold water that takes on their flavour. It was originally made by the poor households of Jerusalem, where even a tablespoon of oil was a luxury, and continued to be made as the city became more affluent because it is such a good dish. Prepare this only in high summer, when tomatoes and cucumbers are at their best, and serve it when you’re in need of a fresh and reviving starter to a heavier main, or as a vir