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Rinse the sushi rice under cold water until the water runs clear. Cook the rice according to package directions, or in a rice cooker. While the rice cooks, combine the rice vinegar, granulated sugar, and salt in a small saucepan. Heat gently over low heat, stirring until the sugar and salt are fully dissolved. Do not boil. Set aside to cool.

Once the rice is cooked, transfer it to a large, non-metallic bowl. Gradually pour the cooled vinegar mixture over the rice, folding it in gently with a rice paddle or wooden spoon. Be careful not to mash the rice. Fan the rice (with a piece of cardboard or a small fan) while mixing to cool it down quickly and give it a glossy sheen. Cover with a damp cloth to prevent drying.

In a separate medium bowl, combine the finely diced sushi-grade tuna, mayonnaise, sriracha, sesame oil, soy sauce, and sliced green onions. Mix gently until all ingredients are well combined. Taste and adjust sriracha if you prefer more heat.

Prepare your assembly station: have the seasoned sushi rice, spicy tuna mixture, sliced avocado, and nori halves ready. Keep a small bowl of water nearby to moisten your hands, which helps prevent rice from sticking.

To assemble a hand roll, take one half-sheet of nori. With wet hands, spread a thin, even layer of sushi rice (about 2-3 tablespoons) over one corner of the nori, leaving the opposite corner empty. Place a spoonful of spicy tuna and a few slices of avocado diagonally across the rice.

Starting from the rice-covered corner, tightly roll the nori into a cone shape. The empty corner will be used to seal the roll by moistening it slightly with water and pressing it down. Serve immediately, garnished with toasted sesame seeds if desired, and with optional sides of wasabi and pickled ginger.


Rinse the sushi rice under cold water until the water runs clear. Cook the rice according to package directions, or in a rice cooker. While the rice cooks, combine the rice vinegar, granulated sugar, and salt in a small saucepan. Heat gently over low heat, stirring until the sugar and salt are fully dissolved. Do not boil. Set aside to cool.

Once the rice is cooked, transfer it to a large, non-metallic bowl. Gradually pour the cooled vinegar mixture over the rice, folding it in gently with a rice paddle or wooden spoon. Be careful not to mash the rice. Fan the rice (with a piece of cardboard or a small fan) while mixing to cool it down quickly and give it a glossy sheen. Cover with a damp cloth to prevent drying.

In a separate medium bowl, combine the finely diced sushi-grade tuna, mayonnaise, sriracha, sesame oil, soy sauce, and sliced green onions. Mix gently until all ingredients are well combined. Taste and adjust sriracha if you prefer more heat.

Prepare your assembly station: have the seasoned sushi rice, spicy tuna mixture, sliced avocado, and nori halves ready. Keep a small bowl of water nearby to moisten your hands, which helps prevent rice from sticking.

To assemble a hand roll, take one half-sheet of nori. With wet hands, spread a thin, even layer of sushi rice (about 2-3 tablespoons) over one corner of the nori, leaving the opposite corner empty. Place a spoonful of spicy tuna and a few slices of avocado diagonally across the rice.

Starting from the rice-covered corner, tightly roll the nori into a cone shape. The empty corner will be used to seal the roll by moistening it slightly with water and pressing it down. Serve immediately, garnished with toasted sesame seeds if desired, and with optional sides of wasabi and pickled ginger.
