What a Medium Fry from Mcdonald's Actually Looks Like in 2026: Portion and Deal Test
The distinctive taste and crisp texture of the medium fry stem from strict agricultural parameters and chemical processing. McDonald's sources predominantly Russet Burbank, Ranger Russet, Umatilla Russet, and Shepody potatoes. These varieties feature high solid content and low natural sugar levels, which prevents uneven browning during flash-frying.
Processing facilities wash, sort, and cut whole potatoes using high-pressure water cannons that propel tubers through stationary grid blades at 60 miles per hour. The resulting strips undergo a brief dextrose bath to establish an even golden color, followed by sodium acid pyrophosphate to stop graying during transit.
In the restaurant, fryers run at 335°F to 350°F using a vegetable oil frying blend consisting of canola oil, corn oil, and soybean oil. Formulations in the United States incorporate hydrolyzed wheat and milk derivatives as a natural beef flavoring agent, mimicking the tallow blend the company phased out in 1990.
Freshly fried batches maintain peak crispness for approximately seven minutes under heat lamps before internal moisture softens the outer starch crust.
