Why Soak potatoes in cold water before cooking?

Chef's answer
Soaking peeled, washed and cut fries in cold water overnight removes excess potato starch, which prevents fries from sticking together and helps achieve maximum crispness.Jun 14, 2017
Frequently asked Questions 🎓
Soak fish in milk half an hour before cooking to remove iodine taste and fishy smell. To remove the flavor or taste out of the shrimp or fish you bought, soak it in milk for about a half hour before cooking.6 Jan 2006
Before cooking, soak the fish in milk for 20 minutes In this scenario, the protein in the milk binds with the compounds that cause that fishy odor, in essence extracting if from the fish. What's left behind is sweet-smelling, brighter flesh with clean flavor. (Just make sure you pour that milk down the drain.26 Jan 2017
If your cut of fish isn't too far gone: as in the flesh is still firm and it's only a few days thawed at most, a quick soak for about 10-20 minutes in a bowl of milk will help get rid of the odor. ... Just make sure to pat the fish dry before you season and start cooking.26 Jun 2012
Prior to cooking, saltfish must be rehydrated and soaked overnight in water. This removes most of the salt. It is important, however, not to remove all the salt from the fish, as that's where it gets its great flavor.15 Jun 2018
Soak chicken in equal parts white vinegar and water for about 30 minutes. This is Edna Eaton's surprise preparation. The vinegar removes all the gooey, fatty residue from chicken skin so that chicken parts hold coating better. Rinse off vinegar water and pat chicken pieces dry.22 Jun 2007
We've found an easy way to eliminate the smell: Soak the fish or the shellfish meat in milk for 20 minutes and then drain and pat dry. The casein in milk binds to the TMA, and when drained away, it takes the culprit that causes fishy odor with it. The result is seafood that's sweet smelling and clean-flavored.
Why do You Soak Scallops in Milk? Milk will help tenderize them and get rid of their fishy taste and odor. It can also help extra particles of sand. To do this, rinse with cold water and then soak them for one hour and then blot dry as directed above.10 Jun 2018
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