Spicy Tuna Poke Bowls

1/4 cup mayonnaise

2 tablespoons sriracha, or to taste

1 tablespoon soy sauce

1 teaspoon minced ginger

4 green onions, green parts minced, and light green and white parts thinly sliced, divided

1/2-pound sashimi grade tuna, cut into 1/4-inch dices

2 cups rice

1/2 cucumber, halved and thinly sliced

1 avocado, thinly sliced

Sesame seeds, for garnish

In a mixing bowl, whisk together mayonnaise, sriracha, soy sauce, ginger and green onion greens. Fold in tuna. Refrigerate while rice is cooking. 

Cook rice according to package directions. 

To assemble, divide cooked rice among four bowls. Top with marinated tuna, cucumber and avocado. Sprinkle with sliced onions and sesame seeds. Serve immediately.