Sitka Seafood Market

Ingredients

• 3 tablespoons unseasoned rice vinegar, divided
• Sugar
• Kosher salt
• 2 Persian cucumbers, thinly sliced
• 1 tablespoon mayonnaise
• 1 teaspoon toasted sesame oil
• ½ to 1 teaspoon wasabi paste (or to taste)
• ½ teaspoon grated fresh ginger
• 2 tablespoons neutral oil such as canola or grapeseed, plus more for sautéing
• 1 portion albacore tuna (8 to 10 ounces)
• Gluten free soy sauce or tamari for brushing
• 3 tablespoons toasted sesame seeds, preferably black and white
• 1 cup baby arugula
• Warm or room temperature sushi rice for serving
• Thinly sliced scallions and radishes for serving