• 1 1/2 oz Tequila
• 3 oz Sweet and sour
• 3/4 oz Triple sec
• 3/4 oz Lime juice
• Float Grand Marnier

Shake tequila, triple sec, sour mix, and lime juice with ice. Pour over ice in salt-rimmed margarita glass. Float Grand Marnier on top. Garnish with slice of lime if desired.