Yellowfin tuna marinated in teriyaki sauce and garlic, then grilled to perfection. This is great at a tailgate party, or at your Saturday afternoon summer barbecue. Yellowfin tuna marinated in teriyaki sauce and garlic, then grilled to perfection. This is great at a tailgate party, or at your Saturday afternoon summer barbecue. April 6, 2019April 6, 2019 by lindsyhayden Tags: Grilled, Grilled Teriyaki Tuna, Teriyaki, Tuna