The grill isn't just for steak and burgers — it can also instill a smoky sear for fish filets. Tuna steaks are a great option for grilling, with similar firmness and density to a cut of red steak.

Tuna steak is a food that a lot of people are scared of. When cooked correctly, it has a rounded flavor and a gentle meatiness that makes it feel rich without being too heavy, with a soft, buttery ...