A Tavern-style treat!
In a large sterilized gallon-size glass jar, place peeled hard-boiled eggs, red pepper flakes, bay leaves, garlic cloves and sliced green onions. Set aside.
In a medium saucepan combine, sea salt, celery seed, pickling spice, sugar, white vinegar, apple cider vinegar and water. Bring to a boil. Pour boiling mixture over eggs in glass jar, cover eggs completely. Seal jar and let sit undisturbed until room temperature. Refrigerate for up to three weeks.