Step 1

Place the sunflower seeds in a high speed blender or food processor. If using a coffee grinder, only grind 1/3 cup or 1/2 cup at a time.

Step 2

Process for 30 seconds. Scrape down sides repeat, until the seeds resemble a mostly fine flour with some larger pieces throughout.

Step 3

Transfer the flour to a mesh sieve set over a bowl. Sift the flour to remove any of the large pieces. Reprocess the large pieces to a fine flour and sift again.