I use that method for rays as the skin is more delicate. Doggies are easy enough to skin with the glove method (like Tom's but pull the whole skin off in one go), but rays are a lot more difficult - to be honest I have never mastered it, I always use your hot dip method.The best way i've found for getting the skin off doggies is to dip the fish into boiling water for 1-2 secs then it just rubs off with your fingers it takes about 20 secs in total
Still leaves the amonia residue in the flesh and not very nice at all.
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Do the above whilst the fish is still very fresh and you will have a nice clean, amonia free piece of rock salmon ready for the pan.
Ammonia is not really in the skin, it is in the flesh of very fresh non-bony fish like ray and sharks/dogfish. You can either keep the fish chilled for a few days to let the ammonia leach out, or freeze it and keep it a lot longer. Some people say the ammonia taste comes back if it is stale. An old fisherman's tale is that they used to nail rays to a barn door, and when the flies started to land on them they were OK to eat. I'm not sure I would do that....I never knew the ammonia was in the skin! :notworthy
Had a piece of skate a few weeks back in t'pub and the ammonia was so strong it remided me of the fume cupboard at school. Could not really taste it but the smell put me right off.
Cheers
Max
Yeah,Ammonia is not really in the skin, it is in the flesh of very fresh non-bony fish like ray and sharks/dogfish. You can either keep the fish chilled for a few days to let the ammonia leach out, or freeze it and keep it a lot longer. Some people say the ammonia taste comes back if it is stale. An old fisherman's tale is that they used to nail rays to a barn door, and when the flies started to land on them they were OK to eat. I'm not sure I would do that....