A formal cocktail is a drink that is typically served at a more formal event, such as a wedding or a black tie affair. There are many different types of cocktails that can be served in a formal setting, but some of the most popular options include martinis, champagne cocktails, and whiskey sours.

A martini is a cocktail that is made with gin and vermouth, and it is often served with an olive or a lemon twist. Champagne cocktails are …