Salmon Stew with Artichokes and Rose Peppercorns

I can never keep track of whether rose peppercorns are legal or not. I know they are not peppercorns at all, and that they come and go in legality and fashion. I have always liked them, especially with salmon (but then any pepper is good with salmon), and still use them, if only for myself. I like artichokes with salmon as well, but another reason to put them in this dish is that it already has two or three strikes against it in terms of a fine wine—the salmon and all that liquid with onion