Secret to Great Tasting Wafu Hambagu

http://www.justonecookbook.com/recipes/wafu-hambagu-japanese-hamburger-steak/
The key for Japanese hamburger steak is always use the combination of both ground beef and pork.  This is the secret for juicy and flavorful meat patties.  If you use only ground beef, you will definitely taste the difference.  Beef only patties are more dry and has less flavor compared to ones that also includes ground pork.