16 Limited-Time Fast Food Sauces We Still Dream About - Chowhound

Fast food signature sauces aren't always something we think too much about. More often than not, they're mere additions to our favorite French fries or a little something extra to spice up an order of crispy chicken nuggets. From time to time, these sauces — like some menu items — disappear entirely with little fanfare or recognition. But there are some that are, in fact, remembered. Some of these sauce…