Tuna Burgers with sriracha mayonnaise from The Hog Island Book of Fish & Seafood: Culinary Treasures

Ingredients

• 1 teaspoon soy sauce, or to taste
• 2 tablespoons finely chopped fresh cilantro
• ½ cup (120 ml) mayonnaise, preferably Kewpie
• 1 teaspoon minced fresh ginger
• 2 tablespoons panko (Japanese bread crumbs)
• Big pinch of brown sugar
• 2 tablespoons finely chopped green onion
• ½ teaspoon grated lime zest
• 1 teaspoon sriracha, or to taste
• 2 tablespoons canola oil
• ¼ teaspoon freshly ground pepper
• ½ teaspoon toasted sesame oil
• Burger garnishes of your choice
• 4 hamburger buns, split and toasted
• 1 pound (455 g) sushi-grade tuna