This salmon sushi bake is a spin on a sushi roll that is baked in a casserole dish with all the delicious sushi flavors and toppings.It combines tender flaky salmon with a spicy mayo made with sriracha, cream cheese and Japanese mayo over seasoned sushi rice.It is topped with avocado slices, scallions, furikake and more mayo and sriracha.Served with seaweed and cucumber sticks, it is the best sushi casserole.