french brie brie french imported kirkland isigny 19s mere- lonywaon vaata imported made in true to traditions the kirkland signature cheese line is all about authenticity by will fifield patrick rougereau ste-mère makes this product the traditional way kirkland signature isigny ste-mère brie is made by a cooperative of 570 farmers at the core of an exceptional french dairy farming region this group of farmers has been passionately committed to the ancient craft of cheese making and the traditions of sustainable agriculture for heese is made according to a variety of traditions that are nearly as old as the cheese lineup includes a variety of cheeses from spain and the u.s "we have to work with creameries all over the world to find quality cheese for our mem- of each variety," explains costco assistant buyer bryan murphy here's a look at two popular kirkland signature cheeses you'll find at your local costco warehouse this area near the cotentin peninsula nourished by the coastal sea salt air in fresh marshlands where cows are given room to producing flavorful milk that is rich with fat milk is transported just a few miles from the pasture and turned into cheese that perfectly expresses the isigny terroir costco's kirkland signature buying team joined forces with isigny ste-mère to develop tucked in the northwest corner of normandy