Butter shortage threatens popular French breakfast pastry

France's legendary croissant, brioche and other pastries most traditionally eaten as a breakfast treat are under threat of a shortage of butter, the price of which has more than doubled in a year.

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It is one of France’s most fabled delicacies, a flaky, crescent-shaped and feather-light indulgence first imported – legend has it – from Vienna, and as pleasurable in the mouth as it is ruinous for the waistline. But the croissant, along with its equally appetising relative the pain au chocolat and other iconic French pastries such as the brioche, is at risk from an unprecedented shortage of its principle ingredient: butter, , reports The Guardian.