When you fancy a Big Mac but don't want to go to Maccy D's you can make this at home. If you don't have the ingredients to hand it is a bit of an initial outlay but makes lots and lots of sauce!
120gmayonnaise
1tbspamerican mustard
2tbspsweet pickle relish (not branstons)
1tbspwhite wine vinegar
1tspeach onion powder, garlic powder and smoked paprika
1
Just add all the ingredients to a bowl and stir well