Place a couple cubes of ice in a cocktail shaker. Pour in tequila, lemon juice and simple syrup.
Shake vigorously for 30 seconds.
Stain into a glass filled with ice. Top with lemon soda water or club soda and garnish with a lemon wheel or wedge.
Notes
Simple Syrup: 1:1 ratio of water and sugarIn a small saucepan combine 1 cup sugar with 1 cup water. Warm over low until the sugar dissolves. Cool and use. Store in the fridge for up to 6 months.