Breaded, deep-fried meat doesn’t need much more other than seasoning. Add to that, using one of the most expensive cuts of meat in the world. Wrap some crustless white bread around it, and you’ve got yourself a perfect snack known as Katsu Sando. A popular Japanese convenience store staple that has become an Instagram darling, and the new avocado toast at restaurants around the country. To learn more about the sandwich, Wagyu beef, and how to make this treat at home (don't worry, you can use any protein, this is not reserved for the super rich) Guillermo visits chef Corwin Kave at Don Wagyu in NYC, to learn all the secrets behind America’s most expensive beef sandwich.