Okay the results are in on the last batch of canned fish.
The yt, fire roasted diced jalapenos, kosher salt, pepper, and Daves Insanity Hotsauce came out pretty good. Still not as spicy as I would have liked, but there is some kick to it. Time to try habaneros next time. Goes great with mayo on toasted bread.
Albacore went well with the same ingredients.
BFT, oh wait I ate that one as sashimi

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YFT is supposed to can very well too, I just need some to try it out on.
I got another idea though, gonna try adding wasabi to a can and see what happens. That should add some kick.