Canned fish belongs in your kitchen, full stop. The easiest thing to do with a can of fish is to pop it open and eat its contents immediately. You should always have some on hand in your pantry, not only for instant gratification, but because you can cook some seriously delicious stuff with it. Two of my favorite types are anchovies and sardines, and though the average person might conflate the two, there are specific times you should use one over the other.When to use anchovies in your cookingAnchovies are edible straight from the can, though I’d recommend you taste a sample before you go all in, since they can be extraordinarily salty.