1 cup sugar
1 cup key lime juice
2 egg whites
12 ice cubes, crushed
Few drops Angostura Bitter
2 cups pisco
Blend pisco with sugar, lemon juice and Angostura Bitter.
Add ice and finally the egg white. Blend a few minutes.
Pour into small glasses and top with a pinch of cinnamon powder and a few drops of Angostura Bitter.