Hi guys I've found this : http://raindrops2000.wordpress.com/2011 ... in-powder/
So, to not have the shell and the oil, we need to sifter and pres it to remove the oil. Look like we will need bigger tools than a mixer. that is for hemp.
Here is a mix from many sources, beans, soy, brown rice...but it's not a extracting process, I think the % protein will be lower than the by product industry the 'cake'. http://www.livestrong.com/article/35330 ... r-at-home/
I wanted to found those kind of stuff too, because tub are too expensive for my little budget but need something ready to eat (smoothies) when I'm busy.