This is the same rich umami sauce Woon, a homestyle Chinese food restaurant in LA, uses on their famous beef noodles! The recipe hasn’t changed since Mama Fong served these noodles to them growing up. It's great for any type of stir fry, to add while cooking noodles, veggies, fried rice, as a marinade, the list goes on! Use sparingly, a few squirts will go a long way. 10.8oz squirt bottle.