The original recipe comes from harry craddocks 1930 tome the savoy cocktail book. Mixologist gaz regan polished it up a bit with improved ratios, and suggests trying it as highball too, by adding a half-part more gin and serving in an ice-filled tall glass with extra orange juice. Fun fact: rapper snoop dogg is a holder of the guinness book of world records title for largest paradise cocktail, after presenting a 500-liter version of the cocktail at the bottle rock napa event in 2018.