Chirashizushi or scattered sushi, because of the way it is presented. This type of sushi is served in bowl piled with sushi rice and cover with scattered toppings such as sashimi. It really doesn't matter what kind of toppings you cover your rice with, but the vinegared rice is always the base for chirashizushi and is the one ingredient you can't replace. Other than that you can prepare your Chirashi sushi as simple or as fancy as you wish. From redfinsushi.com . Oh, prep time seem excessive, but it's because of the rice prep time.