Use a whisk to break up any lumps, then switch to a spatula when it begins to thicken after 2-3 mins. Stir quickly for another 30 seconds until it begins to come together like a sticky ball of dough. Mochi is Japanese rice cake made of mochigome, a short-grain japonica glutinous rice, and sometimes other ingredients such as water, sugar, and cornstarch. The rice is pounded into paste and molded into the desired shape. Mochi, also known as Japanese rice cake, is one of Japan's favorite foods. Whi...