Tuna Tartare With Spicy Mayonnaise, Mizuna And Soy Wasabi Vinaigrette

Ingredients

• SOY-WASABI VINAIGRETTE:
• 1 tablespoon soy sauce
• 2 teaspoons wasabi
• 1 tablespoon mirin
• 1 tablespoon rice wine vinegar
• 2 tablespoons peanut or canola oil
• SPICY TUNA TARTARE:
• 1 tablespoon finely chopped shallots
• 2 tablespoons mayonnaise
• 1 tablespoon honey
• 2 teaspoons spicy chili paste
• 1 1/2 teaspoons sesame oil
• 1 teaspoon soy sauce
• 1 teaspoon wasabi paste
• 1 pound Sushi-grade tuna, cut into º1/4-inch cubes
• 1 Haas avocado, peeled, seeded and chopped into 1/4-inch cubes
• 1/2 cup finely chopped cucumber
• 1 1/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 2 cups mizuna or other bitter greens
• 2 tablespoons finely sliced green onion tops
• 2 teaspoons black or white sesame seeds, toasted, for garnish