Canned Tuna with Brown Rice and Avocado - ioanacooks

Ingredients

• 2 (5-ounce) cans no-salt-added water-packed white tuna, drained and flaked
• ¾ cup kimchi, coarsely chopped
• 2 cups hot cooked brown rice
• 1 medium firm ripe avocado, chopped (1 cup)
• 2 small Persian cucumbers, thinly sliced (about 1 cup)
• 1 medium scallion, thinly sliced (2 tablespoons)
• 12 sheets nori (4-inch size)
• 3 tablespoons mayonnaise, divided
• 2 tablespoons seasoned rice vinegar, divided
• 3 teaspoons toasted sesame oil, divided
• ½ teaspoon salt, divided
• 1½ teaspoons Sriracha
• 1 teaspoon grated fresh ginger
• 1 teaspoon toasted black or white sesame seeds