One 10-ounce bag frozen diced mango
2/3 cup tequila (preferably silver, 80 proof)
1/4 cup fresh lime juice
2 tablespoons orange liqueur, such as Cointreau
2 tablespoons superfine sugar
2 cups ice water
Put the mango, tequila, lime juice, orange liqueur, sugar and water in a blender and blend until smooth.