Fast-food chains are notorious for being secretive about their recipes. But Chef Daniel Coudreaut, senior director of culinary innovation for McDonald's USA, is here to show you how you can prepare your very own homemade Big Mac, complete with their world famous Secret Sauce. Watch as he explains all in the video tutorial below:

The clip follows up McDonald’s Canada viral marketing video which showed why the food in McD’s advertisements looks different than the real thing. Click here to watch.