
French fries are a popular snack and side dish, and can be cooked to perfection in a deep fryer. The key to crispy fries is to remove as much water as possible before frying, and to use the correct oil and temperature. The type of potato and the size of the batch are also important factors in achieving the perfect fry. This article will explore the best methods for cooking fries in a deep fryer, including the ideal cooking time and temperature, and the benefits of different oils and potatoes.
How long to cook fries in a deep fryer
| Characteristics | Values |
|---|---|
| Oil Type | Canola oil, soybean oil, peanut oil, beef tallow, duck fat |
| Oil Temperature | 325-375°F (190°C) |
| First Fry Duration | 5-8 minutes |
| Second Fry Duration | 1-3 minutes |
| Total Cooking Time | 4 hours |
| Potato Type | Russet potatoes |
| Potato Thickness | 1/2 inch thick |
| Potato Soaking Duration | 30 minutes to 2 hours |
| Potato Soaking Temperature | Cold to warm |
| Potato Soaking Solution | Water, sugar, and water brine, or ice water |
| Potato Drying Method | Paper towels, kitchen towel, or salad strainer |
| Potato Frying Batch Size | Small batches, a handful at a time |
| Potato Draining Method | Wire rack or paper towels |
| Potato Seasoning | Salt, pepper |
| Potato Serving Temperature | Golden brown |
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What You'll Learn

Soak potatoes in water before frying
Soaking potatoes in water before frying is a crucial step in achieving the perfect French fries. While it may seem like an unnecessary step, soaking potatoes offers several benefits that ultimately enhance the taste and texture of your fries.
Firstly, soaking potatoes helps to remove excess starch from their surface. Starch is a type of carbohydrate found in potatoes and other starchy foods. While starch is not inherently bad, too much of it can cause your fries to become gummy and stick together during the frying process. By soaking the potatoes, you wash away this excess starch, preventing gumminess and ensuring your fries emerge from the fryer crisp and fluffy.
Additionally, soaking potatoes can also rinse away excess sugars. Sugars naturally present in potatoes can affect the browning and caramelization process when fried. Soaking the potatoes helps to mitigate this, resulting in a more even and desirable colour.
Another benefit of soaking potatoes is that it helps to keep them from sticking to each other during frying. This is especially important if you plan to fry multiple batches of potatoes, as it ensures each fry has an opportunity to cook evenly and thoroughly.
When it comes to the soaking process itself, there are a few key steps to follow. Begin by cutting your potatoes into your desired fry shape. As you cut, place the potatoes in a bowl of cool water to prevent browning. After cutting all the potatoes, use a colander to rinse the potato sticks for about a minute. Then, return the potatoes to a bowl of cool water and let them soak for at least 10 minutes. This duration allows the water to wash away the excess starch and sugars.
Once the potatoes have soaked, drain and rinse them again. The final step before frying is to dry the potatoes thoroughly. Use kitchen towels or paper towels to blot any remaining water from the potatoes. Removing excess moisture is crucial, as it can cause sputtering when the potatoes are placed in hot oil and may lengthen the time it takes for your fries to brown.
In conclusion, soaking potatoes in water before frying is a vital step in creating delicious, crispy French fries. By removing excess starch and sugars, you ensure your fries emerge from the fryer with the perfect texture and taste. So, the next time you're craving homemade French fries, remember to factor in the soaking time – your taste buds will thank you!
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Blot fries with a paper towel after frying
Blotting your fries with a paper towel after frying is an important step in the cooking process. Not only does it help to absorb excess oil, but it also ensures that your fries don't become soggy. After blotting, you can also sprinkle some salt to enhance the flavour.
Paper towels are a popular choice for this task because they are highly absorbent and can soak up a significant amount of oil. They are also convenient and easy to use. However, it is important to note that not all paper towels are created equal. Some paper towels may be treated with chemicals or cleaning solutions that could be unsafe for direct food contact. It is recommended to use food-grade paper towels that are intended for casual contact with food.
If you are concerned about the potential for chemical transfer or simply want to reduce your use of paper towels, there are alternative options available. For example, you can use tea towels or dish towels specifically designated for absorbing oil. Just be sure to wash them thoroughly with soap and white vinegar in hot water after each use.
Another creative solution is to reuse cardboard carriers, such as egg cartons or pizza boxes, by cutting them up and using the inside surface to absorb the oil. These options are not as absorbent as paper towels, but they can be effective in a pinch. However, it is important to only use cardboard that has not been heavily soiled or contaminated.
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Use a heavy-bottomed saucepan instead of a deep fryer
You don't need a deep fryer to make delicious French fries. A heavy-bottomed saucepan with a few inches of frying fat or oil will do the job just as well.
First, cut your potatoes into fries. Soak them in cool water for 10 minutes to prevent browning, then rinse and dry them thoroughly with a kitchen towel. Blotting away excess moisture is important because it can cause sputtering and make your fries take longer to brown.
Next, heat your choice of frying fat or oil in the saucepan. You'll need enough to come a few inches up the pot, and you'll want to heat it to 325°F (162.7°C). Use a thermometer to check the temperature if you have one—this will help you achieve the best results.
Once your oil is hot, add about half of your potatoes to the saucepan and fry for 5 minutes, stirring occasionally. Remove them to a paper towel-lined plate and let them sit for 5 minutes. At this point, your fries will be tender but won't have taken on much colour.
Now it's time for the second fry. Increase the heat of your oil to 375°F (190.5°C) and cook the fries for another 3 minutes, stirring frequently, until they're golden brown.
Remove your crispy, golden fries from the saucepan and drain them on paper towels. Season with salt, or your choice of spices, while they're still hot so that the seasoning sticks to the potatoes.
And that's it! You've made French fries without a deep fryer. Enjoy your homemade fries while they're still hot and crispy, and don't forget to dip them in your favourite sauce!
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Double fry the potatoes
The secret to perfect homemade French fries is the double-fry method, which gives you a crispy exterior and a fluffy interior. The first fry cooks the potatoes through, and the second fry at a higher temperature makes them golden and crispy.
Preparation
First, cut the potatoes into uniform, even slices. Thinner is better, but aim for around 3/8 to 1/2 inch thick. Place the cut potatoes in a large bowl of cool water as you slice them to prevent browning. Using a colander, rinse the potato sticks for a minute, then place them back in a bowl of cool water and soak for 30 minutes to 2 hours. This will remove excess starch and prevent browning. Drain the potatoes and dry them thoroughly with kitchen paper.
First Fry
Heat your oil to 325-335°F (162-168°C) in a heavy-bottomed saucepan or a dedicated deep fryer. You will need enough oil to come a few inches up the pot. Fry the potatoes in small batches for 5-8 minutes, stirring occasionally, until they are limp and just starting to darken. Remove the fries from the oil and drain on a wire rack or paper towels.
Second Fry
Increase the heat of the oil to 350-375°F (176-190°C). Fry the potatoes again in batches for 1-3 minutes, stirring frequently, until they are golden brown. The fries will get considerably darker and crispier during this second fry. Remove them from the oil and drain on paper towels. Sprinkle with salt and pepper to serve.
Tips
- You can freeze the fries after the first fry and before the second fry if you want to make them in advance.
- The type of oil you use is important. Beef tallow or duck fat will give you the most delicious fries, but you can also use canola oil or peanut oil.
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Reheating and storing leftover fries
Reheating leftover fries
There are several ways to reheat leftover fries, but using a microwave is not recommended as it can make the fries soggy. Here are some alternative methods:
- Air fryer: Preheat the air fryer to 350°F and place the leftover fries in a single layer in the fryer basket. Heat for 3 to 5 minutes or until the desired crispiness is achieved.
- Oven: Preheat the oven to 425°F and place a single layer of fries on a baking sheet. If needed, drizzle a little olive oil on them. Roast for a few minutes, keeping an eye on them to prevent burning.
- Stovetop: Use a cast-iron skillet over medium-high heat and add a couple of tablespoons of oil. Add the fries and cook, flipping once.
- Broiler: Line a pan with foil and prop up the fries, then broil one side before flipping.
Storing leftover fries
Leftover fries should be stored in an airtight container or wrapped tightly in foil or food wrap. It is important to let the fries cool completely before storing them to prevent steam from making them soggy. Fries can be stored in the refrigerator for 3 to 5 days or in the freezer for up to 2 months.
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Frequently asked questions
Fries should be cooked in a deep fryer for around 6-7 minutes for the first fry and 1-2 minutes for the second fry.
The temperature of the oil should be around 325°F (162°C) for the first fry and 350°F (176°C) for the second fry.
Cut the potatoes into uniform sticks, around 3/8-1/2 inch thick. Soak the potatoes in water for 30 minutes to remove excess starch, then dry them thoroughly with paper towels.
Beef tallow or duck fat are recommended for frying fries as they can handle high heat with minimal oxidation. However, these oils can be expensive, so alternatives such as canola oil or soybean oil can also be used.



























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