This quick soy-sesame marinade is perfect on ahi tuna steaks, tenderizing the meat with rice vinegar, gluten-free soy sauce, fresh ginger and a little maple syrup for sweetness. It’s the best 5-minute marinade for grilled or seared tuna, but you can also use it for crudo, poke and as a dipping sauce for the finished meal. For medium-rare tuna steaks, sear in a large cast iron pan over high heat for 1 to 2 minutes per side, or until a crust has formed and there’s a thin layer of opacity up...
