High in the Spanish Pyrenees, a unique blue cheese called Azul de Búnker is made from raw sheep’s milk. Produced by Arriel at O Xortical in Villanúa, this cheese defies traditional cheese-making norms ...

Cheese is a relatively simple food. It’s made with milk, enzymes – these are proteins that can chop up other proteins – bacterial cultures and salt. Lots of complex chemistry goes into the ...