Fillet steak. Kobe beef is really very famous and expensive, many famous steaks come from Kobe, special Kobe filet mignon is priced at $246 for a small portion, Wagyu tomahawk steak is a very popular steak that sells very well every month, a portion is about $109, so filet mignon is expensive. Steak, a block of beef, is one of the most common foods in Western cuisine.