Here’s an easy grilled tuna salad recipe. Grilling fish can be tricky but since it is so good for you you should give it a try. For this recipe you need about a pound of tuna. Your dressing is made of vinegar, mustard and olive oil. The salad is made with red potatoes, green beans, radishes, olives and onions. When you grill the tuna baste it with the dressing but save some of the dressing for when it is done and ready to be served.