Egg Flip: The 17th Century Tavern Drink That Became Eggnog

Long before eggnog appeared in American punch bowls, English tavern-goers were drinking egg flip: a hot mixture of ale or spirits, beaten eggs, and sugar, often combined by plunging a red-hot iron poker directly into the cup to heat and froth the mixture at once. The drink was warming, filling, and alcoholic. It was consumed in establishments that did not have time for delicacy. It was, in retrospect, exactly what you would expect people to drink in the 17th century when the heating options were a fire and a metal rod. ## What Egg Flip Actually Was The basic egg flip formula varied by region and establishment, but the core components were consistent: raw eggs beaten with sugar, combined with some quantity of ale, beer, or a spirit such as brandy or rum, and served warm. The hot poker method, sometimes called a loggerhead after the iron tool used, created a distinctive scorched, slightly caramelized quality in the drink. Some recipes added spices: nutmeg, ginger, cinnamon. Some substituted wine for ale. The variations were considerable, but the eggs and the heat were constants. The drink appears in English literature and records through the 17th and 18th centuries under various names: egg flip, flip, egg-hot, and posset, which was a related preparation involving hot milk curdled with ale or wine and eggs. These were not precisely the same drink, but they occupied the same conceptual territory: hot, egg-enriched, alcoholic, and meant to be consumed when the weather was bad and the fire was inadequate. Samuel Pepys mentions drinks of this family in his diary. Various 17th century recipe books include versions. The drinks were not exotic or particularly upper-class. They were pub fare, sold cheaply and made quickly, intended for working people who needed something fortifying. ## The Atlantic Crossing The transition from English egg flip to American eggnog involved several changes driven by geography and ingredient availability. Ale, the English baseline, was harder to produce consistently in the colonies than rum, which was cheap and abundant by the late 17th and early 18th centuries thanks to the sugar trade. Colonial versions of egg-based drinks shifted toward rum as the spirit of choice. Cream became more available than it was in England, and recipes began incorporating it heavily, producing a richer, thicker result. Milk and cream-based versions displaced the ale-based originals over time. The drink cooled down as well. What had been consumed hot in English taverns began to appear cold or at room temperature in American contexts, particularly for celebratory occasions. By the late 18th century, eggnog was present at American social events in a form recognizable to modern drinkers, though typically much more aggressively alcoholic than the commercial versions sold today. George Washington's recipe, attributed to the period of his residence at Mount Vernon, called for rye whiskey, rye malt whiskey, sherry, rum, and a quantity of eggs and cream that would make a modern nutritionist quietly leave the room. It was not a gentle beverage. It was an 18th century American's answer to an English pub tradition, scaled up for entertaining and adjusted for what the local market offered. ## Egg in the Glass: A Persistent Category The broader tradition of egg-based drinks did not stop with eggnog. The Tom and Jerry, popularized in the 19th century, used beaten eggs, sugar, and spices mixed with brandy and rum in hot water or milk. The flip survived as a bartender's category into the craft cocktail era, where it typically refers to a shaken drink incorporating a whole egg. The pisco sour uses egg white for texture and foam. The Singapore sling and several other classic cocktails have egg-white variations. Eggs in drinks occupy a specific functional role: they add texture, body, and in the case of whole eggs, richness and a faint savory quality that balances sweetness. The chemistry is the same whether the drink is a 17th century tavern flip made with a hot poker or a contemporary bar program's carefully documented recipe. The egg changes the drink in ways that other ingredients do not replicate. The 17th century drinker staring into a foaming cup of hot ale and egg probably did not know they were drinking the ancestral form of a holiday tradition that would survive for four centuries. They were cold and the drink was hot, and that was sufficient.