Spicy Tuna Onigirazu

1. Dice tuna into small pieces.

2. In a bowl, combine mayonnaise and sriracha.

3. Add diced tuna to the bowl and mix well.

4. Cut avocado into thin slices.

5. Slice cucumber into thin rounds.

6. Place a sheet of nori seaweed on a plastic wrap.

7. Spread cooked rice evenly over the nori seaweed.

8. Sprinkle black sesame seeds over the rice.

9. Add the spicy tuna mixture on top of the rice.

10. Arrange cucumber slices over the tuna.

11. Add avocado slices on top.

12. Drizzle with remaining spicy mayonnaise mixture.

13. Fold the nori seaweed over to form a square, using the plastic wrap to help shape it.

14. Wrap tightly with the plastic wrap and let it sit for a few minutes.

15. Cut in half and serve.