It can be done,milk powdercan makeyogurtthe texture is not as good as fresh milk, but it is cheaper than making yogurt with fresh milk and not very sweet. If possible, buy Nestle full-fat milk powder in a iron can without sugar.There are 2 points to note: first, the yogurt maker must be boiled and sterilized thoroughly to avoid failure, second, use full-fat milk powder, other types of milk powder do not work well.