So you could open a can of tuna, mash it into some mayo, maybe add in some minced onion and celery and slap it on some Wonderbread. Or you could:
Poached Tuna Marinated with a Caper Anchovy Sauce (Hazan):

These are frozen tuna steaks from TJ's, so devoid of oil content that they aren't much good for anything else.

Freshly-made mayo:

Blended with the marinated tuna (over-blended)

Freshly baked bread:


On the plate. Not a very good shot since the ravenous hordes were clamoring for their gruel, but well worth the effort.

Oh, yeah, some warm blueberry pie for dessert:

Bill/SFNM