What is "canestru"

Canestru ( Corsican; pl. canestri, from Latin canistrum, meaning a circular basket) is a Corsican cake generally shaped as a circle, made of brioche dough. The cake is typical of the cuisine of Corsica and originates from the village of Petreto-Bicchisano in Corse-du-Sud. Canestru is a traditional Easter cake, and is typically consumed during the traditional Easter Monday picnic .