The Lost Book of Remedies - pdf - Claude Davis The_Lost_Book_of_Remedies | Page 15

My grandfather would gather them in late October. Then you need to remove the
seeds because they contain a very small amount of amygdalin, which can be
dangerous in large doses.
After that, you need to add water and blend the mixture.
Place the mix on a tray, and let it dry at 200℉ with the oven door open. Or use a
dehydrator if you have one. You'll need to leave them for only 8 to 10 hours. My
grandfather would dry them in the sun. But, of course, this took him days.