• 1 1/2 oz tequila
    1/2 oz lemon juice
    1/2 tsp superfine sugar
    2 tsp ruby port

Pour tequila, lemon juice, sugar and port into a cocktail shaker half-filled with ice cubes. Shake well, and pour into a highball glass almost filled with ice cubes. Garnish with a maraschino cherry, and serve.