1 1/2 oz of Tequila
1 tsp of Maraschino liqueur (or cherry liqueur)
1/2 oz of Lemon Juice
1/2 tsp of superfine sugar (or sugar)
4 oz of Tonic water
1 tsp of blue curacao liqueur
Combine the tequila, blue curacao, maraschino liqueur, lemon juice and sugar in a cocktail shaker half-filled with ice cubes. Shake well and strain into a highball glass almost filled with ice cubes. Top with tonic water, garnish with a maraschino cherry and an orange slice, and serve.