I have not actually read Michael Ruhlman's Ratio. I know that he describes a basic muffin as 2:2:1:1 of flour, liquid, egg and fat. Prior to discovering Ratio, I only ever thought of a muffin in ...
My muffin recipe calls for 1 1/3 cups of nonfat dry milk. Other than the 4 eggs, there is no other liquid. How much skim milk would I substitute for the dry milk?