Do you know What is Custard and Kefir. If you are looking for the definition of Custard and Kefir or want to know what is Custard and Kefir?, then this is where you will fetch your answers. Well, in simple terms A dessert or sweet sauce made with milk and eggs, or milk and a proprietary powder. While Kefir is fermented milk made by using kefir grains containing benefiicial yeast as well as probiotic bacteria found in the yogurt. Both these products are unique in their own ways. Custard is a Yellow colored dairy product and Kefir 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. Custard bears Thick flavor with a Milky and Sweet aroma whereas Kefir has Yeasty flavor and a Milky aroma. The color, flavor and the aroma of these products depict their origin. Custard originated in France, whereas origin of Kefir is traced back to North Caucasus regions.