This is the method I use.
http://eatingrichly.com/11/apple-but...d-be-proud-of/
This method skips the applesauce and goes straight to the apples. I make a couple of modifications. I core the apples and chop them in a food processor - skin and all. I keep the sugar on the lower end. I don't can them. I purchased freezer safe canning jars and freeze instead.