This quick, easy sauce for tuna steak adds tart brightness to the meaty grilled fish with just a handful of ingredients, ...

since the lemon will help cut through the richness of tuna. Other ideas include rosemary-roasted potatoes and grilled vegetables. As a final tip, Shoults adds, "If you want a heartier side ...

Meaty tuna works well with a tangy vinaigrette. This quick and easy dish is perfect as a light lunch for friends. For the vinaigrette, whisk the oil, lemon juice, lemon zest, honey, shallot ...