A Long Island Iced Tea is a highball made with, among other ingredients, vodka, gin, tequila, and rum. A popular version mixes equal parts vodka, gin, tequila, rum and triple sec with 1½ parts sour mix and a splash of cola. Most variants use equal parts of the main liquors but include a smaller amount of triple sec (or other orange-flavored liqueur). Close variants often replace the sour mix with sweet and sour mix or with lemon juice, the cola with actual iced tea, or add white crème de menthe; however, most variants do not include any tea, despite the name of the drink. Some restaurants substitute brandy for the tequila. A true Long Island Iced Tea, as it was originally made, has always had tequila.
The drink has a much higher alcohol concentration (about 28 percent) than most highballs because of the proportionally small amount of mixer. Long islands can be ordered "extra long," which further increases the alcohol to mixer ratio.
Outside the United States, this highball is often altered, due to the unpopularity of sour mix. Long Island Iced Tea served outside the States is often made of liquors and cola alone (without sour mix), with lemon or lime juice, orange juice or with...