Benihana's shrip...when they cook it they put some butter-lookin stuff on it, but its not butter. What is it?

is it one of these sauces?





http://www.benihana.com/recipes.asp|||i'm not sure, but i know they use a lot of MSG! It tastes good though huh?|||Its not a probably a butter sauce or msg - its quite simply - Garlic Butter.|||Probably a type of butter-sauce..