how long do you soak cashews for
7. Soak nuts according to the density of the type of nut. The harder a nut is, the longer it will need to soak. 1  Soak almonds for 8 to 12 hours. 2  Soak cashews for 2 to 3 hours. 3  Soak flax seeds for 6 hours.4  Soak garbanzo beans for 12 to 48 hours.5  Soak walnuts for 4 hours.rain, rinse and replenish the water in the bowl. Every 3 to 4 hours, the water in the bowl should be refreshed. The water in the bowl contains all the enzymes, acids and byproducts you are trying to remove from the nuts by soaking them.