How Admiral Vernon's 'grog' evolved from naval rum to a spiced cocktail classic

The term 'grog' traces back to the British Royal Navy in the 1700s. Originally, it described a diluted rum drink served to sailors. The name itself came from Admiral Edward Vernon, whose nickname—'Old Grog'—inspired the beverage’s title after he ordered the rum rations to be watered down. Admiral Vernon’s decision to mix rum with water aimed to curb drunkenness among crews. This simple blend became the traditional grog recipe. Over time, variations emerged, including a more elaborate version known as navy grog.

The navy grog recipe stands apart by incorporating multiple rums, citrus, and spices. It combines Pusser’s Rum, El Dorado 3 year rum, and Lemon Hart Original 1804 rum as its base. Honey syrup, cinnamon syrup, lime juice, and grapefruit juice add sweetness and tartness. A dash of angostura bitters and Dale Degroff’s pimento Aromatic bitters rounds out the flavour. Unlike the basic rum-and-water mix, this version includes a splash of grapefruit juice. The extra ingredients create a richer, more complex drink while keeping the spirit of the original.

Today, grog remains linked to naval history, though its recipes have evolved. The navy grog variation, with its layered flavours, offers a modern twist on a centuries-old tradition. Both versions still honour Admiral Vernon’s legacy of tempering rum with water.