Greetings Spur Dog, My father always told me that dog fish were good to eat but Mom did all the cookin and didn't want any thing to do with those " darn things " Since child hood I have eaten dogfish on numerous ocassions and like you have found it too be quite good Wdfw had a pamphlet out years ago on how to prepare it was a popular item for awhile haven't seen one around in years (the pamphlet that is)
Another often overlooked use for dog fish is it is a very good halibut bait and I emphasize very good. So the next time you are out and you figure there might be a barn door about try a 10 inch filet of dog fish on a circle hook and see what you come up with.