Do you know What is Buttermilk and Evaporated Milk. If you are looking for the definition of Buttermilk and Evaporated Milk or want to know what is Buttermilk and Evaporated Milk?, then this is where you will fetch your answers. Well, in simple terms Buttermilk is a liquid made by the process of churning butter out of cream. While Evaporated milk is a canned milk product with about 60% water removed from fresh milk. This milk product has a longer shelf life. Both these products are unique in their own ways. Buttermilk is a Not Available colored dairy product and Evaporated Milk is Caramelized white colored. The food gets it color dependent on the ingredients used and the preparation methods employed. Sometimes artificial food colors are added to give the dairy product, a gourmet look. Apart from their color what distinguishes them is their flavor and aroma. Buttermilk bears Sour flavor with a Sour smell aroma whereas Evaporated Milk has Caramel-like and Sweet flavor and a Sweet aroma. The color, flavor and the aroma of these products depict their origin. Buttermilk originated in India, whereas origin of Evaporated Milk is traced back to USA.