Preheat the oven to 400ºF. Lightly grease a 9x9-inch baking dish with avocado oil and set aside.
Avocado oil
Cook the rice: In a medium saucepan, bring the rice and water to a boil. Reduce the heat to low, cover, and simmer for 15 minutes. Remove from heat, fluff with a fork, and stir in the rice vinegar and salt. Fluff again to combine.
1 ½ cups white rice, 3 cups water, 1 teaspoon rice vinegar or coconut aminos, ½ teaspoon salt
Make the shrimp mixture: In a medium bowl, whisk together the mayo, sriracha, soy sauce (or coconut aminos), sesame oil, and green onion. Pat the shrimp dry, add to the bowl, and toss to coat.
2 tablespoons mayo, 1 tablespoon sriracha, 2 teaspoons soy sauce or coconut aminos, 1 teaspoon sesame oil, ¼ cup green onion, 1 pound shrimp
Assemble: Press the cooked rice evenly into the bottom of the prepared baking dish. Spread the shrimp mixture on top.
Bake for 15 minutes, or until the shrimp is fully cooked.
Garnish with your desired toppings and serve warm.
Avocado, Additional green onion, Sesame seeds, Nori wraps