Place sugar on a small plate. Rub rims of glasses with the lime wedge. Dip rims of glasses in sugar to coat; set aside.
In a pitcher combine Triple Sec, tequila, lime juice, and sugar. Stir until sugar is dissolved. Stir in orange juice. Chill until ready to serve.
Place ice cubes in sugar-rimmed glasses. Pour tequila mixture over ice cubes and add 2 dashes grenadine syrup to each glass. Garnish with orange slices, if desired.
What is red colored sugar?
