Plenty of food bloggers and YouTubers have tried to replicate the recipe for McDonald's special sauce over the years, but for a short time, you can now get your hands on a limited edition bottle of the famous Big Mac topper.
McDonald's has released just 200 bottles of the condiment on eBay, and bidders have gone wild, with the price tag approaching $18,000 currently.
The good news is that all the money paid for the bottles of special sauce are being donated to the Ronald McDonald House Charity.
We'll stick to these swanky burger toppings instead.
→ Read more: McDonald's Starts Selling Big Mac Sauce, First Bottle going for $18,000 from The Independant