Add almonds to a blender or food processor and blend on high until a fine, powdery flour is achieved.
Turn the blender or food processor on the highest setting for a 10 seconds maximum. Then stop ans shake a little or use a spatula to loose any clumps on the side. Blend again until fine and powdery, repeat this step if needed.
How to store
Store your homemade almond flour in a jar, it keeps for about a month.