Certified Aged & Fermented Rice & Soybeans Eden Foods Non-GMO Quality OCIA Certified K-Pareve Pure and Purifying Eden, Shiro Miso is pure food of koji fermentation, ages of accumulated wisdom, and solely traditional food handling methods. It is very mellow and the sweetest of all misos, made of North American family farm soybeans and rice that are slow aged at ambient temperatures. It is our lowest salt/sodium miso. Shiro Miso is best suited for Summer dishes, and soup, salad dressing, dip sauce, marinades, and noodles.