Jeotgal is a kind of Korean food that is made by preserving seafood with salt. You know how sometimes your parents put salt on your food to make it taste better? Well, that's kind of what they do with seafood in jeotgal.
The seafood can be anything from fish to squid to shrimp - and even some kinds of vegetables. But before it can become jeotgal, it needs to be cleaned and prepared. Then, it's mixed with salt and left to sit for a while, so that the salt can get inside the seafood and make it taste good.
After a few days or even weeks, the jeotgal will be ready to eat. Depending on how it's made, jeotgal can be really salty and strong in flavor. It's often eaten as a side dish with rice, but you can also use it in soups or stews for extra flavor.
Overall, jeotgal is a special kind of Korean food that's made by mixing seafood and salt, and then letting it sit for a while. It's a bit different from other foods you might be used to, but it's still really tasty!