Both recipes sound good. Although I do agree with cashsMom... baked salmon patties aren't that great.
My grandmother's recipe was quite simple and similar to the both cashsMom and Feather3.
She made enough to feed 15 people!
Ingredients:
Canned Salmon-cleaned
Eggs
Minced onion
Dash of Salt
Flour
Cornmeal
She's mix the the first five ingredients, then roll in cornmeal while cooking oil was at a good temp for her to pan fry. Brown both sides, serve with a heap of homemade fries.
My twist is that I will add from time to time bread crumbs or crackers if I have on hand. I am not a mustard person at all, however, I can see where it would come in handy for just that right flavor. I am going to try it out and see how that goes!