Add cognac, gin, fresh lime juice, and Angostura bitters to a cocktail shaker.
Fill the shaker with ice and shake vigorously for 10–12 seconds.
Pour unstrained (with ice) into a Collins glass or a Suffering Bastard mug.
Top up with ginger beer and stir gently to combine.
Garnish with a fresh mint sprig and an orange slice. Serve immediately.
The Suffering Bastard was created by bartender Joe Scialom at the Shepheard's Hotel in Cairo circa 1942 as a remedy for Allied soldiers suffering from wartime hangovers - making it one of the most storied medicinal cocktails in history.
My Bar Shelf reads your shelf and shows you every cocktail you can make from what you already own, including Suffering Bastard.