So true with stirred! This one surprised me, since its drier than sounds - thanks to the small amount of juice & liqueurs and the huge amount of Martini-Mix, and the stirring technique. Definitely worth the try.

Right, and as a spaniard I know what that means, but maybe not all others who read the original recipe knew it means "lemon juice". Without a quantity it could be mistaken for lemon twist. I saw this recipe in Absolut.com (where it subbed Grand Marnier for Pimms Nº1 - !!??) and in CocktailBook.com more or less exact and none had lemon juice as an ingredient. The last one probably thought it meant lemon twist since they included it. Its interesting how recipes change and mutate over years, and mistakes and misunderstandings travel from one recipe to another. Mistakes are probably a creative part of cocktail history.

I have found this cocktail elsewhere without the lemon juice, only with the spirit, liqueurs and vermouth, so the stirring comes probably from that error / variant / who knows what. Named as "Mar deL Plata", emphasis in the "L".