O.K., so this is the third week in my 16-week Cultured Dairy and Basic Cheese eCourse taught by Wardeh Harmon. The lesson this week? Cultured Butter. What is the difference between butter and cultured butter? The culturing process introduces probiotics... healthy stuff that is in yogurt and kefir, for example, to improve the balance of beneficial bacteria in the intestinal tract. Look, just look how pretty my homemade butter is... and fresh tasting. Oh, yes!