4 ounces sashimi-grade yellowfin tuna, cut into small chunks
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0.33333334326744 cup mayonnaise
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3 tablespoons chile oil, or more to taste
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1 tablespoon sesame oil
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1 tablespoon sriracha sauce
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1 green onion, diced
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3 sheets nori, cut in half
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0.5 small ripe avocado, thinly sliced
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0.25 English cucumber, cut into matchsticks
Instructions
Rinse rice in a strainer until water runs clear.
Make the sushi rice: Combine rice and water in a saucepan; bring to a boil. Reduce heat to low, cover, and cook until rice is tender and water is absorbed, about 20 minutes.
Combine rice vinegar, sugar, and salt in a small saucepan over low heat; stir until sugar is dissolved, 1 to 2 minutes. Pour over rice; stir until rice cools and looks dry.
Prepare the sushi rolls: Mix tuna, mayonnaise, chile oil, sesame oil, sriracha sauce, and green onion in a bowl with a fork, mashing to break up some of the chunks. Leave a few chunks intact for texture.
Cover a bamboo sushi rolling mat with plastic wrap. Lay 1 nori sheet, shiny-side down, on the mat. Spread a thin layer of rice over the nori. Layer avocado slices across the rice. Flip nori sheet so avocado is against the mat. Spread a generous layer of tuna mixture 3/4 of the way down the back of the nori; top with cucumber matchsticks.
Roll up sushi using the rolling mat, tucking in ends with the plastic wrap. Remove plastic wrap and place sushi roll on a plate.
Repeat with remaining nori, rice, avocado, tuna mixture, and cucumber.