You will need to search the shops and buy [b][item]dark roast coffee beans[/item][/b]- if you use the item search in the wishlist feature, you can see that dark roast coffee beans are sold in Robin's , which is Greenhouse Garden (The [b][url=https://tatteredworld.com/page/characters]Character Page[/url][/b] is helpful to see which NPCs run each stores) . Stock restocks every 6 minutes, so keep checking in there and they'll show up at some point!

Thank you!