Do you know What is Eggnog and Yak Milk. If you are looking for the definition of Eggnog and Yak Milk or want to know what is Eggnog and Yak Milk?, then this is where you will fetch your answers. Well, in simple terms Eggnog is a Dairy based beverage, made from milk, sugar, and whipped Eggs. While Yak milk is the milk obtained from yak. It is sweet to taste and has rich fat content. Both these products are unique in their own ways. Eggnog is a Cream colored dairy product and Yak Milk 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. Eggnog bears Creamy, Thick and Vanilla flavor with a Sour smell aroma whereas Yak Milk has Sweet flavor and a Sweet aroma. The color, flavor and the aroma of these products depict their origin. Eggnog originated in England, whereas origin of Yak Milk is traced back to Tibet.