Here's The Right Way To Remove Excess Oil From French Fries - Tasting Table
Briefly

To achieve perfectly crispy french fries at home, using a cooling rack is recommended over traditional paper towels. While paper absorbs oil, it can also trap moisture, leading to soggy fries. By placing a cooling rack atop a baking sheet and transferring the fries on top, excess oil drains away while maintaining air circulation around the fries. This method ensures a thoroughly crispy texture. Additionally, french fries are best enjoyed shortly after frying to avoid losing their perfect crunch, emphasizing the importance of the cooling rack in the frying process.
Done right, french fries can be perfectly crisp, but how you handle them post-frying is crucial. Using a cooling rack instead of paper towels can prevent sogginess.
Placing freshly fried fries on a cooling rack instead of paper towels creates airflow, allowing them to stay crispy while excess oil drains away effectively.
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