What type of fruit is used in the Texas Roadhouse signature margarita?

The signature margarita at Texas Roadhouse prominently features lime, which is a traditional and classic choice for this popular cocktail. The tartness of lime juice balances the sweetness from the other ingredients and the alcohol, providing a refreshing flavor that is characteristic of a well-crafted margarita. Lime is not only a key ingredient in providing the distinctive taste but also complements the overall theme of many Mexican-inspired dishes, which aligns with the restaurant's menu offerings. The use of lime helps to enhance the margarita experience, making it a favorite among patrons.