Which dressing is a vinaigrette with a peanut flavor?

The correct choice identifies a dressing that combines the qualities of a vinaigrette with a distinct peanut flavor, making it a specialized type of dressing. A vinaigrette typically consists of a mixture of oil, vinegar, and various seasonings, and when you introduce peanuts or peanut butter into the mix, you create a peanut vinaigrette. This type of dressing enhances salads, dips, or marinades by adding a nutty richness that complements the acidity of the vinegar.

In contrast, while peanut dressing may suggest a similar flavor, it may not necessarily follow the vinaigrette style, which is integral to this particular question. The mustard-honey dressing is sweet and tangy, lacking the nutty aspect, and Houston's Original Vinaigrette, while possibly flavorful, does not specify a peanut element. Therefore, peanut vinaigrette specifically captures the essence of a vinaigrette infused with peanut flavor, making it the most accurate choice in this context.