I frequently make home made yogurt. Yes, I heat the milk, add the starter that has active cultures and put it in the incubator for 6-8 hours. I make 1/2 gal at a time about every 2 weeks. Since I am lactose intolerant, it is a way for me to be able to have milk. I do not like sweet things, so no sugar or sweetener for me. (The store bought yogurts are too sweet for me.) My favorite flavorings include any berry (strawberry, raspberry, blackberry, blueberry--fresh or frozen), peaches (fresh or frozen), apple with cinnamon, or banana. Adding vanilla or almond extract added to the taste. Peaches with almond extract is fantastic. Sometimes I add chopped walnuts or pecans.