Possibly named for a World War I field gun, this classic drink packs a wallop.
Add all the ingredients except the Champagne to a shaker and fill with ice.
Shake well and fine-strain into a Champagne flute.
Top with the Champagne and garnish with a long ribbon of lemon peel.
Watch top mixologist Brooke Arthur make a French 75 in our How to Cocktail video.