Eggnog (/ˈɛɡ.ˌnɒɡ/ ), historically also known as a milk punch or an egg milk punch when alcoholic beverages are added, is a rich, chilled, sweetened, dairy-based beverage traditionally made with milk, cream, sugar, egg yolk and whipped egg white (which gives it a frothy texture, and its name). A distilled spirit such as brandy, rum, whiskey or bourbon is often a key ingredient.
Throughout North America and some European countries, eggnog is traditionally consumed over the Christmas season, from early November to late December. A variety called ponche crema has been made and consumed in the Dominican Republic, Venezuela, and Trinidad since the 1900s, also as part of the Christmas season. During that time, commercially prepared eggnog is sold in grocery stores in these countries.