Onion soup from Hibachi/Benihana?

I went to Hibachi Japan, and really liked the onion soup they have.





Does anyone know how to make it?|||Benihanas Onion Soup





Ingredients








Stock:


1 chicken bone 1 beef bone


1 onion diced finely 1/2 carrot sliced


1/4 stalk celery 1/4 piece of garlic smashed


2 quarts water





Soup ingredients:


1 medium onion cut into thin slivers sesame or vegetabel oil


1 pkg. mushrooms thinly sliced chopped green onions





Procedure











Stock directions


Boil all of the ingredients together for 45 minutes. Strain through a cheesecloth or soft napkin. Use only the broth.





Soup directions:


Slowly cook the onion in oil until it is slightly brown and crispy. Drain and pat with paper towels to absorb excess grease.


Add onions, mushrooms, green onions to broth.