Onigirazu - Spicy Tuna Sushi Sandwich

Method

1. In a bowl, mix the rice vinegar with the sugar and a pinch of salt. Heat for 15 seconds in the microwave. Mix well until the sugar is dissolved. Add to the cooked cooled rice. Mix well and set aside.
2. In a bowl, mix the tuna with the sriracha mayo, the green onions and the sesame seeds.
3. To assemble, lay a sheet of nori, shiny side down. Add 2 large spoonfuls of rice to the center of the nori sheet.
4. Then add the carrots. Add the tuna mixture, the avocados, and 2 more large spoonfuls of rice.
5. Fold all sides of the nori sheet over to cover the filling. Close well. Wrap in plastic wrap. Leave to rest for about 10 minutes
6. Open the plastic wraps. Slice the onigirazu in half and serve with more sriracha mayonnaise. Garnish with sesame seeds.