|1 oz.||lemon juice (fresh squeezed)|
|1/2 oz.||simple (sugar) syrup|
|1 dash||Angostura Bitters|
|1 dollop||egg whites|
Shake all ingredients in a metal shaker with cracked ice. Strain into a chilled champagne flute or small goblet. Serve with a lemon twist or a mint sprig.
Pisco is a Peruvian (or Chilean, depending on where you live) pomace brandy, a distillate produced from the remnants of a wine crush. In Italy this spirit is known as grappa, in France it is called marc.