In a small pot, warm vinegar, water, salt and optional peppercorns over medium heat until salt is dissolved. Add sugar or honey.
Fill mason jar with carrots, pour warmed liquid over-ensuring to cover all the carrots. Leave at least 2 inches from the top.
Cover loosely with lid, cool, then refrigerate. Consume after chilled same day or for best taste, consume after chilled for 3-5 days.
**Will last in the refrigerator for3-4weeks.