Rinse the rice thoroughly and combine with the water in the Instant Pot. Cook on low pressure for 10 minutes.
Mix the remaining ingredients together until the sugar has dissolved.
Let the pressure release naturally for 10 minutes, then release the remaining pressure.
Mix the vinegar mixture into the rice and set aside until ready to use.
Crab Filling:
Combine all the ingredients and mix together. Set aside.
Spicy Mayo:
Mix the ingredients together and set aside for serving.
Casserole Assembly:
Preheat the oven to 425°F. Press the sushi rice into the bottom of a 9 x 9" baking dish.
Place 2-3 sheets of nori over top of the rice, pressing down gently.
Pour the crab mixture over top of the nori, spreading it out to each edge.
Bake for 10-15 minutes, until crab starts t turn golden brown on the edges.
Remove from oven and serve sprinkled with furikake, green onions and sesame seeds. Serve with spicy mayo, eel sauce and sliced avocado.
Notes
The sushi rice and sushi crab mix can be made in advance and all put together when you're ready to bake this (ultra easy weeknight meals!).
Omit the sriracha if you prefer no spice. Add more if you like more spice!
You can also buy sriracha mayo if you want t make this really simple (I think the homemade version is better!)
Substitute regular mayo for the kewpie mayonnaise if needed. Add 1 teaspoon of rice vinegar to it if you have it.
See post above for all the different topping ideas.
Add butteredpanko or regular breadcrumbs on top before you bake it it for some crunch.
If you want the version with cream cheese, just add 2-3 tablespoon of room temperature cream cheese to the mayo mixture. You can even replace some of the mayonnaise with cream cheese (use a 1 to 1 ratio) if you prefer.