Add tequila, simple syrup and lime juice to a cocktail glass and stir.
Add ice.
Top with ginger beer or ginger ale.
Garnish with a twist of lime if desired and serve.
Video
Notes
Freshly squeezed lime juice is best for this recipe but you can use bottled if you prefer.Substitute the ginger ale for ginger beer if you can find it.If using the ginger ale the cocktail might be sweet enough for you already and you may want to omit the simple syrup.