Hello! We make almond milk nearly every week, soaking a cup of almonds in 3 cups water. We use the almond milk, and we use the grounds. I have had trouble finding nutrition info. for house made almond milk - - and the grounds! Do you have this info?
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Perhaps contact the commercial makers of almond milk, or your local county extension (home economics) services.
I think they may know, or know better where to direct you.