01 -
Cook sushi rice according to package instructions. Transfer to a bowl and allow to cool. In a small bowl, combine rice vinegar, sugar, and sea salt. Warm gently in the microwave in short intervals, stirring until sugar and salt dissolve without boiling. Let the vinegar mixture cool, then fold it into the rice evenly. Set aside.
02 -
In one bowl, combine diced tuna with soy sauce, lime juice, sesame oil, sliced green onions, and grated ginger to create the Soy Sesame Lime tuna mixture. In a separate bowl, mix diced tuna with Sriracha mayonnaise, sesame seeds, and lime juice for the Spicy Sriracha tuna. Set both mixtures aside.
03 -
Fold each nori sheet in half twice to create a smaller square, then cut the square in half diagonally to form triangles. These will serve as the base for the stacks.
04 -
Place a nori triangle on a clean surface. Position a 5 cm round ring mold atop the nori. Wet hands to prevent sticking, then press approximately 2 tablespoons of sushi rice into the mold. Top with two cucumber slices and sliced avocado pieces as needed to fit snugly. Add about 2 tablespoons of the Soy Sesame Lime tuna mixture, gently pressing to compress. Remove the mold carefully. Garnish with shredded carrots and sesame seeds.
05 -
Place a nori triangle on a clean surface and position a 5 cm round ring mold on top. Wet hands and press approximately 2 tablespoons of sushi rice into the mold. Layer with two cucumber slices and sliced avocado, adjusting slices for a snug fit. Remove the mold. Spoon the spicy Sriracha tuna mixture on top and garnish with sesame seeds.
06 -
Arrange the completed stacks on a serving platter. Optionally, provide small bowls with soy sauce and wasabi paste for dipping. Serve immediately for optimal freshness.