01 - Arrange leftover rice in a microwave-safe bowl, distributing the flaked salmon evenly over the top.
02 - Place two ice cubes directly on top of the rice and salmon mixture.
03 - Loosely cover the bowl with parchment paper or a microwave-safe plate, ensuring steam can escape.
04 - Microwave on high power for two to three minutes, until the ice cubes have fully melted and the rice and salmon are heated and moist.
05 - Remove bowl from the microwave. Drizzle soy sauce or tamari and sesame oil evenly over the surface.
06 - Arrange avocado slices, cucumber slices, and pickled ginger on top of the bowl.
07 - Sprinkle with toasted sesame seeds and sliced scallion. Add chili flakes or sriracha if desired. Serve immediately.