Promise Xu

If you are tempted to cut the corner a bit and put in only lemon or lime juice, please don't. The combination of these two, IMHO, gives a delightful depth to the flavour.

If you are in doubt about how much is 2 pinch, go easy on the salt - you could always add more. If you end up adding too much (like I did), adding a bit of bitter could salvage it.