Remiro Artzai Gazta is a producer of Idiazabal cheese, a type of cheese made exclusively from the milk of Latxa and Carranzana sheep in the Basque Country and Navarre, Spain. This cheese is known for its smoky flavor, which is a result of the traditional production process that includes smoking the cheese with hawthorn, cherry, or beech wood.

Remiro Artzai Gazta Idiazabal cheese carries a Protected Designation of Origin (PDO) status, ensuring its production adheres to strict geographical and methodological criteria.