What is the signature preparation of "Truffle Fries"?

The signature preparation of "Truffle Fries" is that they are tossed in truffle oil and Parmesan cheese. This distinctive combination enhances the fries with a rich, earthy flavor from the truffle oil, which is made from infusing oil with the essence of truffles, a highly sought-after mushroom known for its aroma and taste. The addition of Parmesan cheese provides a savory and slightly nutty flavor, which complements the truffle oil beautifully. This method is what sets truffle fries apart from regular fries and is key to their popularity.

In contrast, while seasoning with garlic and herbs, serving with aioli, or frying in beef tallow can enhance flavor and texture, these methods do not represent the unique characteristics that define truffle fries. The core essence of this dish lies specifically in the combination of the luxurious truffle oil and the sharpness of Parmesan cheese.