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A grana knife

A Parmesan knife or grana knife (Italian: tagliagrana) is a knife with a drop-shaped blade and a round wooden handle used to break hard cheeses like grana or Parmesan into shards.[1] Bigger knives with a flat handle that can be hammered are used to cut open the cheese wheels, the crusts of which are rather hard.

It is depicted in the official logo of PDO Parmesan.


  1. ^ "Come tagliare il Parmigiano Reggiano" (in Italian).