Tequila is a strong flavor, so more is not necessarily more in this recipe. You should also use high-quality tequila—something you’d be fine drinking. Mezcal would also work very well, providing an additional smoky note.
Press plastic wrap firmly against the surface of the guacamole and refrigerate overnight.
Source: Guacamole with Tequila and Lime Recipe -Emily Farris | Food & Wine