- Rinse the sushi rice until the water runs clear. If you have time, soak it in water for 15 minutes before rinsing.
- In a pot, bring 3 cups of water to a boil. Add salt and rice, then cover and simmer for 20 minutes. Let it sit covered for an additional 10 minutes, then fluff with a fork.
- In a small bowl, mix rice vinegar, sugar, and sesame oil. Microwave for 30 seconds or warm in a pot until sugar dissolves. Pour over rice and mix until coated and sticky.
**Spicy Mayo:**
- Combine mayo, sambal, sriracha, sesame oil, sugar, and lemon juice in a bowl until smooth. Set aside.
**Crab and Shrimp Filling:**
- Mix crab meat, shrimp, mayo, cream cheese, soy sauce, sesame oil, sambal or sriracha, lime juice, and green onions until well-combined.
**Assemble and Bake:**
- Preheat oven to 425°F.
- Spread rice in a casserole dish or 9x9 baking pan. Add seaweed on top, then layer with crab and shrimp mixture.
- Bake for 10 to 15 minutes until golden. For extra crispiness, broil briefly.
- Drizzle with spicy mayo and unagi sauce. Top with avocado, green onions, and sesame seeds. Enjoy your delightful Sushi Bake!