Step 1

In a medium bowl, combine tuna with onion, scallions, soy sauce, sesame oil and sriracha.

Step 2

Gently toss to combine and set aside while you prepare the bowls.

Step 3

Peel, seed and cube the mango and avocado.  Peel, halve, seed and thinly slice the cucumber.  Thinly slice the jalapeno and scallions.

Step 4

In 2 bowls, layer 1/2 the rice, 1/2 the tuna, mango, avocado, cucumber, jalapeno and scallions.

Step 5

Top with Macadamia nuts and sesame seeds and serve with lime wedges and extra sauce on the side, if desired.