I did not figure this out myself, nor will i say how i got this recipe.
The result like any culinary experience will depend of the quality of the products you decide to use. This is supposed to be the closest thing there is to the real recipe.

Happy cooking.

1/2 cup mayonnaise
2 tablespoons French dressing
4 teaspoons sweet pickle relish
1 tablespoon finely minced white onion
1 teaspoon white vinegar
1 teaspoon sugar
1/8 teaspoon salt

1. Combine all of the ingredients in a small bowl. Stir well.
2. Place sauce in a covered container and refrigerate for several
hours, or overnight, so that the flavors blend. Stir the sauce a
couple of times as it chills.
Makes about 3/4 cup.

spoiler alert!

"we need more secret sauce!!" leave that mayonnaise out in the sun"

tennage guy of the simpsons

When a swat team dressed as The king kick down your front door you'll regret making this post.

i have got those also actually.

I'd like your sauce sauce.

"I'd like your sauce sauce.

Anyways...

Big Macs have fallen from glory for me. Too many places make burgers 100% better then Mickey D's.

"

The last Big Mac I had was soooo good.

Huh. I expected minced babies and puppy tears.

"Huh. I expected minced babies and puppy tears."

Why would you want to make a sauce like the big mac sauce? Big mac's are horrible.

So your saying that it depends on the quality of ingredients? I guess I'll use the shittiest stuff I can find then, to match McDonalds sauce. 

You are playing with forces you can't even begin to understand. You don't try and MAKE the secret sauce! What are you, mad?!

I had one yesterday

all it is thousand island dressing with vinegar.  thats it.

I think you forgot about the dead babies.

Write your will now Endogene!

Ronald McDonald is going to hunt you down >=(

Now if we can only figure out what is in Arby's sauce... My life can be complete.

"Now if we can only figure out what is in Arby's sauce... My life can be complete."

I think I am gonna get hungry  !!!

I hate special sauce and mayo. Mayo is a craft of the devil HIMSELF!!

I hate Big Macs, they just look like a coming heart attack.

damn i thought it was Ronald Mcdonald's jizz

can anybody review this sauce ? Id like to know if it is close to the real this without actually doing it myself....

"I'd like your sauce sauce.

Anyways...

Big Macs have fallen from glory for me. Too many places make burgers 100% better then Mickey D's.

"