Creating the Spicy Salmon Sushi Bake can be straightforward if you follow these simple steps:

1. Preheat Oven: Preheat your oven to 375°F (190°C).
2. Prepare Sushi Rice: Rinse the sushi rice under cold water until the water runs clear. Combine the rice and water in a rice cooker and cook according to the manufacturer’s instructions.
3. Season Rice: Once the rice is cooked, transfer it to a bowl. Mix together rice vinegar, sugar, and salt, then fold this mixture into the rice until well combined. Allow it to cool slightly.
4. Prepare Salmon Mixture: In a separate bowl, combine the fresh salmon, mayonnaise, and Sriracha. Mix until the salmon is evenly coated with the spicy mayo.
5. Layer Ingredients: In a baking dish, spread half of the sushi rice evenly on the bottom. Top with half of the salmon mixture. Repeat the layers, finishing with the remaining salmon on top.
6. Bake: Place the baking dish in the preheated oven and bake for 25-30 minutes, or until the top is golden and bubbling.
7. Cool Slightly: Remove from the oven and let it cool for about 10-15 minutes before serving.
8. Garnish: Sprinkle the top with sesame seeds and chopped green onions for added flavor and presentation.
9. Add Fresh Ingredients: Before serving, layer the sliced avocado and diced cucumber on top for a fresh touch.
10. Serve with Nori: Cut into squares and serve with nori sheets for wrapping.

These steps will guide you in creating this incredible dish effortlessly.