I found this recipe on diffordsguide.com.

gin, St-Germain, lemon juice, simple syrup⁣
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The drink is new, like since 2007, but it SCREAMS Prohibition-era. It tastes like one of those beautiful gin drinks that sprang from that time…a delicious combination of ingredients to mask the horrible taste of bathtub gin. ⁣
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I’m new to cocktails, but I have already learned with this project that I love gin drinks from the 1920s. And my drinks are probably 1000 times better than they were back then, because I’m using great gin! (The Botanist for this drink.)⁣
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St-Germain is an elderflower liqueur that came about in 2007. I added it to my bar yesterday, thinking that there would be a good chance that I wouldn’t like it because I don’t like floral flavors like rose or lavender. They taste like soap to me. This is different. It doesn’t taste like old lady bath talc. It is unique and delicious. ⁣
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And the lovely St-Germain bottle (look it up if you’re curious) only adds to the Prohibition-era fantasy I’m cooking up. It’s super art-deco-ey and strikingly beautiful. ⁣
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All of this is to say – I think I have a new favorite drink. I made a second and cut back on the lemon juice just a tiny bit, and I’ve struck gold. ⁣