McDonald's fans have spent years pleading for the tasty secret sauce used in Big Macs to be sold separately. The chain eventually relented, releasing limited-edition pots in the UK in 2020 and in the US in 2023. It meant customers could add the sauce – believed to be made from a blend of ingredients including Thousand Island dressing, mayonnaise, and pickle relish – to other burgers, dip their nuggets and fries into it, or just devour it straight from the tub.

Now feast your eyes on the greatest fast food side dishes of all time

Last updated by Natasha Lovell-Smith.

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The greatest fast food condiments of all time, ranked