It jumped on the healthy eating bandwagon when it put fruit and salads on the menu.
But now McDonald's appears to be turning its attention back to fast food - by offering "all-you-can-eat" fries.
The perk will be available at an outlet in Missouri opening later this year, and is part of a scheme called "McDonald's of the future". As well as unlimited fries, the restaurant will also allow customers to design their own burger and desserts.
Bosses say the franchise will have a "modern look and feel", and will stretch to 6,500 square feet. Fans of the chain expressed their excitement at the announcement on Twitter, with one saying: "The best news I ever heard on a Monday."
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