Although it shares the same name as Hemmingway's novel, this version of a classic champagne cocktail is so called because of the author's suggestion that you drink three to five of these in a row, which might indeed cause death in the afternoon.
Add a dash of absinthe to a champagne flute and swirl it around the flute until it is coated; pour out any excess. Pour in the champagne. Run the lemon peel over the rim and drop it into the champagne, along with the sugar cube (it will fizz, so be careful not to spill).
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