The Secret to Perfect French Fries (2024)

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Before I went to culinary school, I thought the procedure for making French fries went something like this: soak potatoes in water, pat dry, throw into sizzling hot oil, drain, eat. (And if all else fails, make a run for McDonald's.) I had the basic idea, but then I started classes at the French Culinary Institute. If culinary training has taught me anything, it's that a little technique can elevate the most basic food from ordinary to extraordinary.

In addition to taste, what separates a so-so French fry from a superb one is its texture. A properly made fry must hit the oil twice--once at a lower temperature, and then again at 350 degrees Fahrenheit--to get the perfect creamy interior and crunchy exterior. Before all that, though, the secret is to briefly poach them in boiling water (or "blanch" them) before they go into the hot oil. This ensures that the fries are cooked all the way through before getting crisped up in the fryer.

After the jump, find my culinary school method for fail-proof, perfect French fries.**

Makes 1-2 servings.

**Please note this recipe has not been tested in the Bon Appetit Test Kitchen**

  1. Cut 2 large Russet potatoes into uniform pieces so the fries cook evenly, about a 1/4 inch thick and 2 1/2 to 4 inches long. Note: Peeling is optional. If you do not peel the potatoes, scrub them well before cutting.

  2. Add potatoes to a small but deep saucepan filled with cold water and bring to a boil. Once boiling, let potatoes cook for about 5 minutes and then remove. Air dry on paper towels; about 10 minutes. (Make sure the potatoes are dry before frying; you can dab them off with the paper towel if necessary.)

  3. Once potatoes are thoroughly dry, fry them 300-320 degree vegetable oil in a deep fryer or a large pot (a Dutch oven would work). You'll need to use a deep-fry or candy thermometer to make sure the oil stays at the right temperature. Once the thermometer comes up to temp, turn the heat off. Fry potatoes in small batches, maybe 7-8 fries per batch, so that they cook evenly. At this point, the potatoes should not have any color. Remove and drain on paper towels. After the first batch is finished, turn the heat back on so that the oil to comes up to temperature.

  4. Now for the second fry. Heat oil to 350 degrees F and fry potatoes until they are a light golden brown; 2-4 minutes. Note: Fries will continue to get a little darker out of the oil. Drain and then toss in a bowl with salt. Serve on a plate or eat them straight out of that bowl!

Kelly Dobkin is a freelance food writer who lives in New York City. She is currently Associate Editor of restaurant blog, Eater NY and has been writing about food since 2006. She attended the University of Michigan and is currently a student at the French Culinary Institute in NYC. She has written for Time Out NY, Metromix.com, Sheckys.com, and also maintains her own food blog, Applesauce.
Follow Kelly on Twitter at @Kelly Dobkin

The Secret to Perfect French Fries (2024)

FAQs

What is the secret to homemade french fries? ›

The Double-Fry Method

When it comes to the actual cooking, you want to fry the french fries twice. The first round is at a lower temperature to cook the inside of the potato and the second time you'll use a higher temperature to make the fries golden brown and crispy.

Why do you soak french fries in water before frying? ›

The main reasons to cut the potatoes and pre-soak in water are: To allow the excess starches and sugars to be removed from the outer surface of the fry strips AND to keep the potatoes from browning prematurely from exposure to air. Covering in water helps the potato from turning a dark color.

How long should you soak potatoes for fries? ›

Place them in a large bowl and cover with cold water. Allow them to soak, 2 to 3 hours. (You can also stick them in the fridge and let them soak overnight.) When you're ready to make the fries, drain off the water and lay the potatoes on 2 baking sheets lined with paper towels.

Why add vinegar in water for french fries? ›

When a small amount of vinegar is added to the soaking water before frying, it can help impart a tangy flavor to the fries without making them taste overly vinegary. The acid in the vinegar can also help to slightly break down the surface of the potatoes, aiding in the development of a crispier texture during frying.

What happens if you don't soak potatoes before making fries? ›

This step is commonly missed in making homemade fries, but it might be one of the most important! Soaking your fries in cold water helps remove excess starch, which allows for crispy, golden fries! The cold water bath also helps the french fries retain their shape and contributes to a fluffy inside.

Should you put salt in water when soaking potatoes? ›

Why use salt water for soaking potatoes? There's moisture naturally found in potatoes, and moisture is drawn to higher concentrations of salt. (This is a process called osmosis.) So, if you put the potatoes in a salt water bath, that will help draw out some of their moisture, resulting in crispier fries.

Should I salt potatoes before frying? ›

Salting before frying will prematurely breakdown the oil. Oil is the most expensive part of the formula for costing out making fries from scratch. Anything that shortens the time the oil can be used and can't be filtered out is not a good thing.

Why is Mcdonald's french fries so crispy? ›

The suppliers we work with first peel, cut and blanche the potatoes. They then dry, partially fry and quickly freeze the fries for our restaurants. Once in our kitchens, we cook them in our canola-blend oil so you can have them crispy and hot—just the way you like them. Want to hear more about our fry ingredients?

What makes french fries better? ›

Blanching: The Reason Why French Fries Taste Better

Your potatoes need to take two separate dips in hot oil to reach restaurant quality. Oil-blanching is a two-part process that reduces the moisture and starch content in your fries, helping them crisp up.

How to enhance french fries? ›

An acid will help bring out the flavor of your fries.

Try pairing frozen fries with acidic ingredients to enhance their natural potato flavor. "Fries benefit from the addition of acid," Harvey told Insider. "Toppings like citrus juice, vinegar, hot sauce, and pickles contrast the richness of the crispy fries."

How hot should the oil be for french fries? ›

Heat 3 to 4 inches oil in a heavy-bottomed pot over medium heat. Use a thermometer to ensure the temperature is correct: 325 degrees for French fries, 375 degrees for shoestring and basket-weave fries.

Why do you boil potatoes before frying them? ›

There are lots of recipes that call for par-boiling the potatoes first to reduce the amount of cooking time, but it's an extra step and an extra pan to wash. If you cook the potatoes over medium heat and keep them covered for most of the cooking time, the lid traps in steam, which helps cook the potatoes through.

What does cornstarch do to french fries? ›

russet potatoes – These have less moisture, yielding a crispier fry. cornstarch – Aids in crisping the fries when baking. kosher salt – Enhances the flavors of the fries. garlic powder – Adds flavor that's sweeter yet milder than fresh garlic.

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