You may use the following types of milk: Pasteurized milk of any fat content (full, 2%, 1%, or fat-free), Powdered milk, Long-life UHT sterilized milk, Soy Milk. (Make sure to use UHT soy milk which contains one of the following ingredients: fructose, honey, or malt. These ingredients are necessary for fermentation, as otherwise, yogurt will not be produced).