Sorry for my typo for "ratio." Here is a reference:
http://www.ehow.com/how_4449528_make...ing-spray.html

They recommend making a spray out of it, but I find that the lecithin
settles and it's easier to use a utensil to remix it each time and
just take some on a spoon or knife. Anyway, the lecithin-oil mixture
is something all bread makers should know about.