01 -
Rinse sushi rice thoroughly under cold water until water runs clear. Cook rice as per package instructions. While still warm, fold in rice vinegar, sugar, and salt with a wide spatula. Allow rice to cool to room temperature.
02 -
Halve and pit avocado, then slice into thin, even strips. Shred imitation crab or cooked shrimp as desired and set aside.
03 -
Place a sheet of nori, shiny side down, on a bamboo rolling mat. Evenly spread a layer of cooled sushi rice over the nori, leaving a border at the far edge. Arrange avocado and shredded seafood along the lower third of the sheet. Using the mat, roll tightly into a cylindrical log. Repeat for remaining sheets.
04 -
In a small bowl, combine chopped scallops or additional shrimp with mayonnaise and sriracha, mixing gently until fully coated.
05 -
With a dampened sharp knife, cut each roll into bite-sized pieces. Transfer slices to a foil-lined baking tray. Spoon a generous portion of spicy seafood topping onto each piece.
06 -
Set oven rack near heat source and preheat broiler. Place tray under broiler for 2–3 minutes until topping is bubbling and lightly charred. Watch closely to prevent burning.
07 -
Drizzle finished rolls with unagi sauce. Sprinkle with chopped green onions and black sesame seeds. Serve immediately while warm for best texture.