The Secret Ingredient In McDonald's Fries

It's been a long time since chef Frank Proto worked at McDonald's—but one trick he picked up there has stayed with him his entire culinary career. Still haven’t subscribed to Epicurious on YouTube? ►► http://bit.ly/epiyoutubesub ABOUT EPICURIOUS Browse thousands of recipes and videos from Bon Appétit, Gourmet, and more. Find inventive cooking ideas, ingredients, and restaurant menus from the world’s largest food archive.