Citrus Margaritas

Bahan-bahan (6 porsi)

• 1 cup cointreau ((or another orange-flavored liqueur))
• 1 cup tequila
• 1/4 cup freshly squeezed orange juice
• 1/4 cup freshly squeezed lime juice
• 1/4 cup freshly squeezed grapefruit juice
• lime wedges
• margarita salt
• orange, lime or grapefruit slices, (for garnish)