This recipe has been in our repertoire for some time and boy are they scary delicious.
Reposado Tequila or good quality Tequila
Triple sec (30proof - not cointreau or Grand Marnier)
Superfine Sugar (to taste)
Zest one lime. Juice all of the citrus and mix with zest and a pinch of salt. Let stand for 30 minutes (up to 24 hours).
Strain mix into pitcher. Taste mix and add sugar if desired. Measure equal parts of mix, tequila and triple sec, stirring to combine. Pour over ice and add salt to rim if desired.