Mix soy sauce, sugar, vinegar, oil, garlic and ginger to make marinade. Freeze meat in marinade in 1 gallon freezer bag. When preparing to serve, thaw meat. Pour chicken or beef and marinade into a baking dish. Bake in preheated oven 350, for 35 minutes. Prepare rice. Serve over rice.

same day, just marinate in fridge for several hours. We prefer the beef, but both are very good.