What does big mac sauce have in it?

ok so im trying to make a burger sauce and i love the big mac sauce...minus the gross big mac^ ^ so what are the basic ingredients to the sauce you think? i know thousand island is involved, and relish..what else?What does big mac sauce have in it?
Its just a version of Thousand Island Salad Dressing, I think it may have a little bit of spicy relish or some onion.

Try this:

http://www.ehow.com/how_2377235_mcdonald鈥?/a>

EDIT: LOL, yeah I thought the same thing after I put it...it would be icky to put just thousand island on a burger :)

EDIT EDIT: Your welcome, hope it works out...I think I will try this as well :)))
one bottle thousand island dressing

2 tablespoons ketchup

2 teaspoons honey

salt %26amp; pepper to taste (not in original recipe, but your choice)

Mix together and let set overnight in refrigerator.What does big mac sauce have in it?
it has one table spoon of mayo and tw table spoons of kethup a drizzle of oil and relish with a pinch of pepper and two pinchs of salt hope i helped and i hope u enjoy your meal !!
It is mayo and ketchup mixed together with relish.