Are McDonald's fries real potatoes?

Online Answer
But since the fries are made with real potatoes, they are cut with a real knife. After the potatoes are skinned and washed, they are shot through a series of blades that cut them into French fries. ... By the way, this is how to get fresh French fries at McDonald's every time.Nov 29, 2018
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Lowest in Calories: Sonic Drive-In regular fries (75 g): 220 calories. McDonalds small fries (71 g): 230 calories.
Unless a battered fry, they are not adding in salt during the process. I recommend not salting the fries till they come out of the fryer and even then, waiting for an order before salting as the fries can turn limp prematurely if salted too soon.
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.
Chemicals on the list include dimethylpolysiloxane, sodium acid pyrophosphate, and tertiary butylhydroquinone (TBHQ) — which are all FDA-approved. So to end the clip, Imahara says, "At the end of the day it's not a 'Franken-fry' composed of chemicalsMcDonald's french fries are made from potatoes."Jan 27, 2015
2. Frying fresh-cut potatoes. Soaking peeled, washed and cut fries in cold water overnight removes excess potato starch, which prevents fries from sticking together and helps achieve maximum crispness.Jun 14, 2017