McDonald’s Big Mac sauce recipe is a secret, but the company lists the ingredients on its website. They include soybean oil, pickle relish, sugar, white vinegar and corn syrup. Egg yolks, garlic powder and paprika are also included.
McDonald's Big Mac sauce also contains mustard seed, vegetable protein, soy lecithin and turmeric for color. Preservatives such as potassium sorbate and sodium benzoate are also used. The sauce on a Big Mac sandwich contains 90 calories, 9 grams of fat and 105 milligrams of sodium.
In 1970, an emergency recipe from a McDonald’s Manager’s Handbook was leaked to the public. It was only supposed to be used when stores ran out of pre-made Big Mac sauce, according to About.com. That recipe combined ¼ cup of salad dressing, ¼ cup of mayonnaise and 3 tablespoons of French salad dressing with relish, sugar, white vinegar, onion and salt.
Many home chefs have attempted to recreate the Big Mac special sauce. A typical recipe uses ¼ cup of mayonnaise, 2 teaspoons of relish and small amounts of white vinegar, onion powder, garlic powder and paprika. A pinch of salt is also recommended.
McDonald’s makes a Big Mac sandwich with a sesame seed bun, two all-beef patties, shredded lettuce, sauce and processed American cheese. Sliced pickles and minced onions are also added.