Valtellina Casera is a cheese made from semi-skimmed cows' milk in the northern Italian province of Sondrio. Its origins date back to the sixteenth century and it is much used in the cuisine of the Valtellina: particularly in dishes based on buckwheat flour such as pizzoccheri and sciatt .
It has had Protected designation of origin (PDO) status under European Union law since 1996; its production is managed by the Consorzio Tutela Formaggi Valtellina Casera e Bitto and certification is regulated by CSQA of Thiene.