> I used to think I didn't really like mackerel but the truth is that supermarket mackerel can be a bit nasty even off the fish counter
Yes. Oily fish (e.g. mackerel) really doesn't keep well, as you say it has to be eaten as close to "straight out of the sea" as possible. Oily fish certainly is not well suited to supermarket supply chains.
Yes. Oily fish (e.g. mackerel) really doesn't keep well, as you say it has to be eaten as close to "straight out of the sea" as possible. Oily fish certainly is not well suited to supermarket supply chains.