Bluebar is a fruit which can be used to produce a jam on Roshar.
According to the book Palates of Personality, people who enjoy bluebar jam are mysterious, reserved and thoughtful. 
In 1173, Kabsal sent Brightlady Shallan Davar some bread and a jar of bluebar jam to eat, as well as a note telling her what Palates of Personality claimed about those who like bluebar jam.
- ↑ a b c The Way of Kings chapter 39
- ↑ The Way of Kings chapter 33
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Windrunner (talk) 15:29, 20 December 2016 (MST)