Peppered Tuna Skewers with Wasabi Mayonnaise

Ingredients

• 1 teaspoon freshly ground black pepper
• 1 bunch watercress
• 28 large slices pickled ginger
• 2 ½ tablespoons soy sauce
• 1 pound fresh tuna steaks, cut into 3/4-inch cubes
• ½ cup mayonnaise
• 1 ½ tablespoons water
• + 3 more ingredients
• • 2 tablespoons wasabi powder (horseradish powder)
  • 1 tablespoon vegetable oil
  • 28 8-inch wooden skewers

Mix 2 tablespoons wasabi powder and 1 1/2 tablespoons water in small bowl to blend. Whisk in 1/2 cup mayonnaise. Cover wasabi mayonnaise and refrigerate at least 30 minutes. (Can be made 1 day ahead. Keep refrigerated.) Combine tuna and soy sauce in medium bowl; toss to coat. Marinate tuna 30 min...

View full recipe at Epicurious