Do you know What is Gruyere Cheese and Buttermilk. If you are looking for the definition of Gruyere Cheese and Buttermilk or want to know what is Gruyere Cheese and Buttermilk?, then this is where you will fetch your answers. Well, in simple terms Dairy Product While Buttermilk is a liquid made by the process of churning butter out of cream. Both these products are unique in their own ways. Gruyere Cheese is a Bright Yellow colored dairy product and Buttermilk is Not Available 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. Gruyere Cheese bears Not Available flavor with a Not Available aroma whereas Buttermilk has Sour flavor and a Sour smell aroma. The color, flavor and the aroma of these products depict their origin. Gruyere Cheese originated in Switzerland, whereas origin of Buttermilk is traced back to India.