For a tall peppermint white chocolate mocha frappuccino, what type of sauce is added along with the peppermint syrup?

In a tall peppermint white chocolate mocha frappuccino, the addition of white mocha sauce alongside the peppermint syrup is key to creating the drink's signature flavor. The white mocha sauce contributes a creamy and sweet profile that beautifully complements the refreshing coolness of the peppermint syrup. This combination creates a rich and indulgent experience that embodies the essence of a white chocolate mocha, enhanced by a wintery mint flavor.

The other sauces listed do not fit this specific drink profile: mocha sauce is typically used in classic mochas and adds a different chocolate flavor, dark chocolate sauce would provide a more intense chocolate taste that doesn’t align with the white chocolate theme, and caramel sauce would contribute a caramel sweetness that diverges from the intended flavor balance of peppermint and white chocolate. Using white mocha sauce ensures that the drink remains true to its name and desired flavor complexity.