Chef Mike Haracz, an R&D chef for large corporations and former corporate chef for McDonald’s shared this recipe which he claims is very close to the recipe for Big Mac Sauce. He says there is no ketchup in the blend.
Mix. Whisk all the ingredients together in a small bowl.
Chill. Cover and refrigerate for 30 minutes before using. Leftovers will keep covered and chilled for a few days.
Notes
About the mustard. Dusseldorf mustard is similar to Dijon mustard but usually a bit darker in color and stronger in flavor. Some are from Dusseldorf, Germany, and some are made in the U.S. Koops is a popular brand. If you don’t have it or can’t find it, you can use Dijon in this recipe if you wish.About the garlic. Granulated garlic has larger particles than garlic powder, so if you use the powder, cut the amount to 3/4 teaspoon (25% less).About the vinegar. Feel free to use distilled white vinegar or rice wine vinegar. But I wouldn’t recommend cider vinegar.