Judges then give each sample a rating based on appearance, odour, flavour, mouthfeel and aftertaste, similar to the elements involved in wine tasting.

BBC: Testing the waters in West Virginia

Each region in Switzerland claims to have the best fondue formula based on local varieties of the two essential ingredients, cheese and wine, as well as other elements that get thrown in the mix.

WSJ: In Search Of: Switzerland's Best Fondue

But the basic elements of vodka, gin, bitters, aperitif wine and citrus peel all come together, absent any shaking or even stirring.

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