Spicy Tuna Sushi Bake. An easy and delicious sushi casserole dish with rice, spicy tuna mayo, avocado and green onions broiled and wrapped in nori. Great as a meal! What is a Sushi Bake? A sushi bake is made of seasoned sushi rice, spicy tuna mayo, avocado slices, and spicy mayo and enjoyed with a … Continue reading Spicy Tuna Sushi Bake