How Long Should I Cook French Fries In A Deep Fryer

Author: Jenny J. Brown
December 21, 2023

Nothing quite like the crispy texture and salty goodness of a perfectly cooked batch of french fries. But achieving that ideal fry can be tricky, especially if you’re working with a deep fryer. How long should you cook them to get the perfect crispy exterior without overcooking the interior?

French fries have been a beloved snack for decades, with many restaurants and fast food joints featuring them as a staple item on their menu. But when cooking them at home, getting them right can be challenging—knowing the right cooking time and considering many variables, such as cooking temperature and cut style.

For perfectly crispy fried potatoes, ensure the oil in the deep-fryer is heated to 375 degrees F (190 degrees C). Fry the potatoes in the oil until they are a delicious golden brown, typically taking 5 to 6 minutes.

Remember to drain the potatoes on paper towels after frying them. Lastly, add salt to taste and savor the flavor explosion. In this article, we’ll explore the in-depth in this topic.

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How Long Should I Cook French Fries In A Deep Fryer?

Cooking French fries in a deep fryer is both fast and easy. The time it takes to cook them properly depends on the potato type used and the pieces’ size. Generally, thin-cut fries take about 3 minutes to cook in a 350-degree Fahrenheit deep fryer, while thicker-cut fries take up to 7 minutes. To ensure your fries are cooked perfectly, you should check on them often and test them with a fork.

What Temperature Do You Deep Fry French Fries At?

Frying french fries in a deep fryer requires the oil to be heated to a specific temperature. The optimal temperature for deep frying french fries is between 350 and 375 degrees Fahrenheit (176-190 degrees Celsius).

If the temperature of the oil is too low, the fries will absorb an excessive amount of oil, resulting in greasy, soggy fries. If the temperature of the oil is too high, the fries will burn.

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What Kind of Oil Should I Use to Deep Fry French Fries?

When it comes to frying, the best oil to use is one with a high smoke point. This will ensure that your food cooks correctly and won’t produce as much smoke when heated.

Peanut oil is my favorite for frying as it has a relatively high smoke point of about 450 degrees Fahrenheit and produces cleaner results, preventing your house from smelling like grease post-fry.

Another great option for frying is vegetable or canola oil, which have higher smoke points than peanut oil at around 470-475 degrees Fahrenheit. Avocado oil also works well for high-temperature cooking, with its smoke point at 510 degrees Fahrenheit.

One should avoid using any low-smoke points oils such as olive, flaxseed, pumpkin seed, or walnut, as they will start smoking sooner and result in an unpleasant smell during and after frying. However, these can still be used in lower-temperature recipes that don’t require intense heat.

How Do I Get The Crisp?

Fries are one of the most beloved side dishes, deliciously crispy and golden. Ensuring they are nice and crispy can be challenging, but it is simpler with the right technique. Frying potatoes twice at two different temperatures makes those fries irresistibly crisp.

The first frying takes place at 325°F in oil that should submerge the potatoes completely. This low-temperature fry cooks them without scorching or burning them, which is necessary to get that silky texture inside the fries.

The second fry should happen at 375°F in oil and is usually called flash frying because they don’t spend much time in there (just enough for the outside to get that ideal crunchiness). This way, you’ll ensure you don’t end up with soggy, greasy fries.

Overall better crispiness can also be achieved by adding baking powder to your potato strips before frying them to help them absorb less oil from cooking.

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May I use additional seasoning?

Yes, you can season them with more than just seasoned salt and kosher salt. Adding different seasonings to the food can make for a more interesting flavor. Garlic powder, sea salt, chili powder, and black pepper are all great options for seasoning your food.

The garlic powder will give it an extra pungent flavor, while the chili powder will provide a nice smokiness. Sea salt is always a great addition as it provides a touch of salty sweetness.

Black pepper helps to bring out the savory tones in your dish and adds depth to the flavor. You can also experiment by combining different spices together for even more complex flavors.

Remember that a little goes a long way when using these seasonings, so start with a small pinch at first, then slowly add more until you get the desired taste. You should also remember that some of these spices have stronger flavors than others, so adjust accordingly when adding them to your dish.

You can transform any food into something truly delicious with thoughtful seasoning combinations and appropriate amounts.

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Tips For Perfect French Fries Every Time

Use fresh potatoes – older potatoes will not fry as well and will take longer to cook.

Preheat the oil before cooking – preheating the oil ensures that your fries fry evenly and at the right temperature.

Fry in small batches – overcrowding the fryer will cause the fries to become soggy instead of crispy.

Drain on paper towels – this will help soak up any excess oil, resulting in crispier fries.

Use salt sparingly – too much salt can lead to an overly salty and greasy end product.

By following these tips, you’ll be well on your way to achieving the perfect batch of crispy French fries every time.

Frequently Asked Questions [FAQs]

1. Why Deep Fry Fries Twice?

Deep frying french fries twice is a popular technique that helps to create a crispy, crunchy texture outside and a light and fluffy inside. The double fry method involves first frying the potatoes at a lower temperature for several minutes until they just begin to turn golden brown.

The potatoes are then removed from the oil, allowed to cool, and then fried at a higher temperature for only a few minutes until golden and crispy.

2. Does McDonald’s Deep Fry Their Fries?

McDonald’s is known for its famous french fries, which are deep-fried and served hot. While the exact ingredients and cooking process are a closely guarded secret, it is widely accepted that McDonald’s does in fact deep fry their fries.

Depending on the type of fryer used, how long McDonald’s fries are cooked for can vary between two to five minutes. The temperature of the oil used to cook the fries can also vary between 350°F and 400°F.

3. What Temp Does Mcdonald’s, Fry Fries?

McDonald’s fries their fries at a temperature of 365 degrees Fahrenheit. This ensures that the fries are consistently cooked and crisp on the outside and soft on the inside.

The length of time needed to fry McDonald’s french fries can vary depending on the size of the fryer and how many fries you are cooking at once, but typically it takes between 2-4 minutes. Make sure to keep an eye on the fries and remove them from the fryer when they are golden brown.

4. What Is The Perfect Fry Temperature?

For optimal deep frying results, it is recommended to maintain a temperature range of 350-375°F. It is advisable to use frying oils with a smoke point higher than 375°F to prevent smoking during prolonged usage. Refer to the temperature guide below for commonly used oils to ensure the consistent quality of your fried dishes.

5. How Long To Cook Frozen Fries In Oil?

To make delicious Golden Crinkles fries, heat 1/4 cup of cooking oil in a large skillet over medium-high heat. Once heated, add the frozen fries carefully to form a single layer. Ensure to turn the fries frequently and fry for 7 to 12 minutes until they attain a light golden color. Enjoy the tasty fries.


The perfect french fries require a bit of finesse and patience. By following the tips above, you will be well on your way to achieving golden, crunchy fries that will satisfy any taste buds. It is important to preheat the oil and fry in small batches when deep frying french fries. Remember to drain on paper towels and use salt sparingly when seasoning your dish.

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