Making sushi is fun but it can be time consuming, especially if you're have a lot of guests. Bento weblog Lunch in a Box found a great way to make nigiri (hand-formed sushi) using an ice cube tray. Simply grease the ice cube tray with nonstick spray, put your topping on the bottom, spoon cooled sushi rice in each cube, cover the tray with plastic wrap, and chill in your refrigerator for five minutes. More »