Castello cheeses remarkable popularity both in Denmark and abroad.” Castello was acquired by Arla Foods, who expanded Castello into cheese markets in North America. Castello blue cheeses were developed in the 1960s. The curds are dipped into salt water, drained, and put into molds. The cheese is punctured with tiny holes and then brought into the ripening room, where it stays for about 15 days. It is then washed, cut, packed, and put in a "cooling room" for about a week at a temperature close to freezing. The washed rind hosts various molds that add to the cheese's mildly spicy flavor. It
Danish Blue Cheese Danish Blue Cheese Danablu, often marketed under the trademark Danish Blue Cheese within North America, is a strong, blue-veined cheese. This semi-soft creamery cheese is typically drum- or block-shaped and has a white-to-yellowish, slightly moist, edible rind. Made from full fat cow's milk and homogenised cream, it has a fat content of 25–30% (50–60% in dry matter) and is aged for eight to twelve weeks. Before ageing, copper wires or rods are used to pierce the formed curds to distribute the mould ("Penicillium roqueforti") evenly through the cheese. The holes can still be seen when the finished wheel is cut