Decorah, I make my yogurt with a similar recipe that uses both milk and a small amount of dry milk powder. It's delicious
I like it plain and unsweetened, with a handful of mostly thawed frozen blueberries.
I use organic milk and organic dry milk powder, and the end product costs half the price of commercial organic yogurt. The only time I had it fail was when I changed brands of milk and used Kroger store brand of organic milk. The result was a bowl of slime