Dehydrate and Make Celery Leaf Powder(3) I am an affiliate for Amazon Services LLC Associates Program. Make a purchase through the links I share, and I’ll get a small commission, without it costing you extra. Thank you for your support! November 21, 2021 by Autumn Leave a Comment Making celery powder is simple once your leaves are dehydrated. All you have to do is puree the powder in a kitchen blender!