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Bäsk is a Swedish-style liquor flavored with wormwood ("malört" in Swedish) or anise. Sweden is one of the few countries that has never banned absinthe or other wormwood-flavored liquors. Bäsk is an old alternative spelling of the word besk which means "bitter".
In the United States, the Chicago-based brand Jeppson's Malört is one of the most well-known versions of the liquor.
In Sweden, the most popular brand is Bäska droppar by O.P. Anderson Distillery.
Bäsk is said to be good fordigestion, and therefore is traditionally associated with fatty foods.