What is the secret of sushi?

Do you like raw fish? As sushi is getting popular among the world, you may know fishes include very good nutrition. Some say one of the key elements of Japanese people's longevity is their fish-based diet.However, there is always a misperception about sushi. When I went to a sushi restaurant in Canada, one of my Canadian friends said to me, "you had raw fish? kinda disgusting!"Of course, just raw fish is disgusting. However, Edomae sushi is not using just raw fish. There is a secret to add in order to make sushi very tasty. That is salt and vinegar. Edomae sushi is a technique of salt and vinegar. Those actually cook raw fish and retrive its tast at maximum. This is kind of miracle.I will show you how to do that with horse mackerel/scad (Aji), which is one of the most popular fish in sushi world. I love it. I hope you become to love it too. See ya!