Potato starch is the extracted starch from potatoes. The starch turns to a light, powdery, flour-like consistency once it has dried out, and it is a common ingredient that features in several recipes.

This post has been updated. There are plenty of situations that require the thickening power of a pantry starch: your pie filling, soup, sauce, gravy. Cornstarch, tapioca starch (also known as tapioca ...