You will need:
1. Pisco
2. Lime Juice
3. Sugar
4. Egg Whites
5. Angostura Bitters
6. Cinnamon Powder
First, combine the pisco, lime juice, and sugar in a shaker and shake well.
Then, add the egg whites and shake again.
Pour the mixture into a glass and add a few dashes of Angostura bitters with a few sprinkles of cinnamon on top! Enjoy.