This Vegan Spinach & Mushroom Sushi Bake is a delicious and healthy twist on traditional sushi. It features a creamy spinach and mushroom filling layered with sushi rice and topped with a crispy breadcrumb topping. The dish is baked until golden and bubbly, creating a satisfying and flavorful meal. It's perfect for sushi lovers who want to enjoy the flavors of sushi in a convenient and easy-to-make casserole.