3. Gather up a pile of yellow onion skins. Wet eggs and gently press seeds and green things onto eggs. Wrap eggs with cheesecloth and kitchen string. Place it all in a pot. Cover with water and proceed as if hard boiling eggs (use a gentle simmer versus a rolling boil). Turn off stove & let cooked eggs sit in colored water for about an hour.
4. Drain eggs in colander. Remove string, cheesecloth, etc.