1 1/2 oz of white Tequila (or Tequila)
1 oz of grapefruit juice
1/4 oz of Lemon Juice
2 oz of Orange Juice
1/2 oz of blue curacao liqueur
Combine ingredients in a cocktail shaker half-full of th ice. Shake and strain into a highball glass and garnish with a maraschino cherry.