Peppermint has many uses, including culinary.  Also sold as an 8 oz tea (see teas)
 
Warning: Use with caution in persons with gastroesophageal reflux or with a hiatal hernia, as peppermint may decrease esophageal sphincter pressure. Use with caution in persons with gastrointestinal ulcers or significant gastrointestinal inflammation.
 
4 oz (by volume) jar