This quick, easy sauce for tuna steak adds tart brightness to the meaty grilled fish with just a handful of ingredients, particularly bright lemon and capers. If you'd like, try it on the fish of ...

No matter the type of fish bestowed upon you by your fishmonger (tuna steaks today, mackerel tomorrow, snapper for Saturday), the right preparation will bring out its very best.

Fish fillets on sale - Pickone/Getty Images. With all the delicious meat found on the head of a tuna, it may be surprising to learn it can be difficult to find in U.S. grocery stores or butcher shops.

Tuna that’s labeled as “solid” will usually contain a whole fillet of (mostly) intact tuna. Chunk tuna, on the other hand, is made from many small shreds of fish, which can sometimes take on ...