老大的短信,她说她们试吃的法国黄油是Le Beurre Bordier butter
按这个网站的说法法国的黄油都是cultured。
https://www.oohlala-frenchinspirations.com/everything-you-need-to-know-about-french-butter/#:~:text=French%20butter%20is%20cultured%20(like,almost%20tangy%20but%20not%20quite.