Step 1

In a large bowl combine tuna, soy sauce, sesame oil, sriracha and scallions.

Step 2

Gently toss and set aside while you prepare the rest.

Step 3

Place the heated rice in a bowl and add rice vinegar; stir.

Step 4

In a small bowl, combine mayonnaise and sriracha sauce.

Step 5

Lightly spray the inside of a 1 cup dry measuring cup with oil (use one with straight edges) then start by layering 1/4 cup cucumber, then 2 tablespoon of avocado and smooth, then 1/4 of the tuna and flatten with the back of a spoon, and finally 1/4 cup rice.

Step 6

Carefully turn the cup upside down to turn the stack out onto a plate, lightly tapping the bottom of the cup if necessary.

Step 7

Sprinkle with Furikake and drizzle with 1 teaspoon soy sauce and sriracha mayonnaise.

Step 8

Repeat with remaining ingredients.