McDonaldsBig Mac Sauce to dip your Fries in!Big Mac SauceAsk for some Big Mac Sauce on the side when you place your order.All Locations5 - Medium-HighFree at most locationshttp://hackthemenu.com/mcdonalds/secret-menu/fries-with-big-mac-sauce/The " Fries with Big Mac Sauce " option is one of McDonald's more famous "secret menu" items. And for good reason! The Big Mac sauce is amazing, and the combination of freshly cooked fries along with the big mac sauce make an irresistible combination. How good does that sound? So, if you're a fan of the Big Mac, take a chance by asking for Fries with Big Mac Sauce from McDonalds Secret Menu. In our opinion, the Fries with Big Mac Sauce are so good that it should be on the menu. When ordering, don't forget about the other secret menu options available at McDonald's! Be sure to check out the McDonalds Secret Menu as well as visiting our home page to check out the complete list of All the Secret Menus from all your favorite restaurants!