Can you eat McDonald's fries the next day?

Chef's answer
Turns out the best way to reheat those fries so that they're not just edible but absolutely delicious is to reheat them on your stovetop, just as you would with your leftover pizza. Spread them out in your best heavy skillet to ensure maximum crispiness (cast iron being the sine qua non, of course).
Frequently asked Questions 🎓
A cheat meal consisting of a double cheeseburger with fries and a milkshake can set you back over 2,000 calories. "Once you've added in other meals and snacks, it literally cancels out half your hard work in meeting your calorie and exercise goals all week," she says.
Heat oil in deep-fryer to 375 degrees F (190 degrees C). Add potatoes, and cook until golden, 5 to 6 minutes. drain on paper towels. Season with salt to taste..
Ingredients: Potatoes, Vegetable Oil (canola Oil, Corn Oil, Soybean Oil, Hydrogenated Soybean Oil, Natural Beef Flavor [wheat And Milk Derivatives]*), Dextrose, Sodium Acid Pyrophosphate (maintain Color), Salt. *natural Beef Flavor Contains Hydrolyzed Wheat And Hydrolyzed Milk As Starting Ingredients..
Yes, McDonald's french fries are made with real potatoes. However, they also contain a whole lot of extras. The revelations come from the fast-food chain's new video, the latest in a series called "Our food. ... And it turns out they do use real potatoes, a mix including Russet Burbanks and Umatilla Russets to be precise.
Use Your Stove. Turns out the best way to reheat those fries so that they're not just edible but absolutely delicious is to reheat them on your stovetop, just as you would with your leftover pizza. Spread them out in your best heavy skillet to ensure maximum crispiness (cast iron being the sine qua non, of course).
Toss the fries with the oil in a medium bowl, then sprinkle with 1/2 teaspoon salt and several grinds of pepper. Working in batches if necessary, put the fries in an even layer in the air fryer basket with no overlapping and cook, turning them halfway through, until golden brown and crisp, 14 to 16 minutes..
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