Ingredients

  • 2 teaspoons water
  • 2 teaspoons wasabi powder (look for this in the Asian section of most supermarkets)
  • 1/2 cup sour cream
  • 1 teaspoon Dijon mustard
  • 1 teaspoon sugar
  • 3 tuna steaks, about 1 1/2 pounds total
  • 1 large egg white, lightly beaten
  • 1 tablespoon soy sauce
  • 2 teaspoons sesame seeds, toasted in a dry skillet over medium heat until light brown
  • 2 tablespoons vegetable oil
  • 1 teaspoon salt-free Greek seasoning, like Cavenders
  • 6 brioche rolls or hamburger buns
  • Pickled ginger

Method

  • In a small bowl, mix the water and wasabi powder together to form a paste.
  • Stir in the sour cream, mustard, and sugar.
  • Light a charcoal fire or preheat your gas grill on high.
  • Oil the grills cooking surface.
  • Let the coals bum down to a medium-hot fire or adjust the gas grill burners to medium-high.
  • 3, Meanwhile, cut the tuna into large chunks, place in a food processor, and pulse just until coarsely ground.
  • Transfer to a large bowl and stir in the egg white, soy sauce, and sesame seeds.
  • With moistened hands, form the mixture into 6 patties, about 1 inch thick.
  • Brush both sides of each burger with the oil and sprinkle the Greek seasoning equally over the burgers.
  • Place the burgers on the grill and cook for 2 to 3 minutes per side or to your desired degree of doneness.
  • Serve on brioche rolls or buns with the wasabi sauce and pickled ginger.