"TRADITIONAL JAPANESE RECIPE: Gyudon is a Donburi dish, also known 'Rice Bowl' like Oyakodon, but instead of eggs and chicken, Gyudon is topped with beef. Gyudon is probably the simpler and heartier kind of Donburi, and probably the most popular in japan. There are few rules for a good Gyudon: - Beef must be thinly sliced (How thin? Paper thin) and cooked in a sweetened soy sauce. - Sake? Not Sake? It doesn't really matter... always do what you feel like...."