[1] The ingredient is specified in nearly every cocktail that called for bitters in Jerry Thomas' 1862 book, How to Mix Drinks or The Bon Vivant's Companion.
[citation needed] The Boker's company was a leading brand of bitters until the Pure Food and Drug Act of 1906 and eventually closed during the Prohibition era in the 1920s.
The Boker's company was a leading brand of bitters until the Pure Food and Drug Act of 1906 and eventually closed during the Prohibition era in the 1920s.
That year, a man showed up at the London Bar Show with a small remaining sample, which was then combined with extensive research (including interviewing descendants of John Boker), to recreate a facsimile of the bitters.
[3][4] Consequentially, as a result of the collaborative effort of beverage aficionados, the likely recipe began circulating online, and several well-established, modern bitters brands began offering their own renditions of the Boker's recipe — whether in perpetuity or as a one-off.