In the video, McDonald's executive chef, Dan Coudreaut, shows how you can make the sauce at home with everyday ingredients like mayonnaise, sweet pickle relish, classic yellow mustard, white wine vinegar, garlic powder, onion powder and paprika, just to name a few.
McDonald's sells 500 million Big Macs a year.
Perhaps the next biggest culinary secret everybody will want wil be the formula for Coca-Cola.
