Rinse sushi rice, cook with water, then mix with vinegar, sugar, and salt. Let cool slightly.
In a small bowl, whisk together mayo, sriracha, and soy sauce to make spicy mayo.
Dice cucumber and avocado; set aside.
Warm frozen cooked shrimp until heated through, then pat dry for better texture.
Assemble bowls with rice base, topped with shrimp, cucumbers, avocado, and seaweed snacks.
Drizzle with spicy mayo and sprinkle sesame seeds, fried onions, and green onions on top.
Serve fresh and chilled for the best texture and flavor.
Enjoy with chopsticks or a spoon—either way works!