Step1. Cut to desired length. Cut the tip of the onion off.
Step 2. Hold paring knife with the sharp side up and away from yourself. Cut upward with the tip of the knife.
Step 3. Continue to cut strait lines all the way around the onion.
Step 4. Place the green onion in ice water and place in the refrigerator for 2 hours or until the onion has produced desired results.
Finished Onion Brush.