Shake ingredients with ice and strain into a coupe. Garnish with lime (optional).
This take on Tommy's Margarita -- which is a margarita that replaces triple sec with the more subtle agave nectar -- simply adds a touch of Angostura bitters to the mix. It seems like a minor modification, but a little bitters goes a long way.
OFF DUTY -Kevin Sintumuang. Wall Street Journal. (Eastern Edition). New York, N.Y.:Jun 30, 2012. p. D.1