Fish sauce are made with anchovies, mackerel, scabbard fish and salt. The bigger the fish, the more mercury you might expect, especially if predator fish like scabbard fish. They do not have any additives like sugar, hydrolyzed protein, or preservatives. Vietnamese prefer sauces without a strong smell, and transparent with a deep golden amber color. "First press" fish sauce, meaning the sauce is bottled from the first time the fermenting barrels are drained, also indicates quality. Lastly, when measuring the nitrogen level of fish sauces (N), most fish sauce on the market falls within the mid 20N range. Anything over 30N is
Fish pie in 1530, when the prior of Llanthony, Gloucester, baked eels and carp into a pie for Henry VIII. The presentation of the royal eel pie continued in 1752, when bakers sent one to the Prince of Wales, and again during Queen Victoria's reign. Fish pie Fish pie, also known as fisherman's pie, is a traditional British dish. The pie is usually made with white, often smoked, fish (for example cod, haddock or halibut) in a white sauce or cheddar cheese sauce made using the milk the fish was poached in. Prawns and hard boiled eggs are other common additional ingredients.