Inspired by Lake Atitlan, gendered by degrees of amaro-love (hers on the right, his peeking in from the left). Quetalteca Especial is the vital ingredient; if you can't get your hands on this exquisite moonshinesque rum, you can simulate the magic with a sharp Agricola.
1.5 oz Quezalteca Especial
0.75 oz fresh lemon juice
0.75 oz Domaine de Canton (0.5 oz for his version)