Preparation

1. Chill a champagne flute or coupe glass in the freezer for a few minutes.
2. In a cocktail shaker, combine the tequila, Cointreau or triple sec, fresh lime juice, and simple syrup.
3. Fill the shaker with ice and shake well until the mixture is thoroughly chilled.
4. Strain the mixture into the chilled champagne flute or coupe glass.
5. Carefully top off with chilled champagne or sparkling wine.
6. Garnish with a lime twist or a sprig of mint.
7. Serve immediately and enjoy your elegant Tequila Sparkler!