The latest in our series of rare one-off keg beers to be released is Chuckleberry Sour.
A 3.3% Berliner Weisse-style beer aged with whole fresh chuckleberries.
And yes, there is such a thing as a Chuckleberry!
Chuckleberries are a cross between a redcurrant, a gooseberry, and a Jostaberry (itself a cross between a blackcurrant and a gooseberry). They have a sweet, juicy, distinct flavour -