Originally Posted by
deubster
A bit OT from the Indian/Thai discussions - I've spent some time in the competition BBQ world, and about half the folks (or more) in the circuit take somebody else's commercial sauce or rub, then modify/customize/personalize it with additional ingredients. The recipes look like "start with 1 cup KC Masterpiece (or Kraft, or Heinz ketchup, etc.), then add ..."
I suspect lots of very good cooks do this in many cuisines.
That's what I usually do. For all Asian foods though, I always prefer scratch made products than supermarket ready-made. Unless it is an ethnic store and the ready made product is of good quality