How To Grind Flaxseed - Let's See Step By Step Instructions!
Keep the setting in the extreme powder mode. Grind for 10-15 seconds till the seeds have become very fine powder. Store in an airtight container. 2. In A Coffee Grinder. This is usually the easiest method that can be used to grind flax seed. The blades in the coffee grinder are powerful and easily powder the seeds.