La razón por la que los chefs aconsejan añadir maicena a las patatas antes de freírlas

Why cooks recommend dusting potatoes with corn starch before frying
Why cooks recommend dusting potatoes with corn starch before frying

Potatoes, especially as French fries (often called chips in the UK), are a common side dish. Their golden colour and crisp texture make them popular, but many home cooks struggle to match the restaurant-quality fries on menus. Chefs recommend a simple trick to improve ordinary potatoes before frying: sprinkling corn starch on them.

The trick that makes the difference

Experienced cooks use a straightforward method to improve fried potatoes. A light dusting of corn starch on the potatoes before frying produces a crisper result. It’s a brief step that makes a noticeable difference to the finished dish.

Corn starch works by absorbing moisture from the potato surface. That surface drying is key to getting a golden, crunchy exterior and avoiding the sogginess that can affect homemade fries. The starch also forms a fine crust that increases crunch once the potatoes hit the hot oil.

How it works and the benefits

The science is straightforward. By removing excess surface moisture, corn starch reduces internal steam that would otherwise soften the potatoes. That helps the outside stay crisp while producing an even, appetising golden brown colour. Corn starch also helps stop the pieces sticking together during cooking, which improves both texture and presentation.

There are several advantages:

  • the potatoes become noticeably crispier,
  • they brown more evenly and look better,
  • and lower internal moisture prevents unwanted sogginess.

The end result is fries similar to those from restaurants, without needing exotic ingredients or complex techniques.

How to get it right

You can get this result at home with just a few steps. First, peel the potatoes and cut them into sticks or whatever shape you prefer. Washing them well removes excess starch from the surface. After washing, dry the potatoes thoroughly with a cloth or absorbent paper to make them as moisture-free as possible.

Next, sprinkle a small amount of corn starch (commonly called cornflour in the UK) over the potatoes and mix well so each piece is evenly coated. Fry the coated potatoes in very hot oil, between 170°C and 180°C, to lock in that ideal crispiness. Make sure the oil temperature stays correct and don’t overload the pan; that prevents the oil temperature from dropping and spoiling the fry. If needed, cook the potatoes in batches to keep conditions optimal.

Tips for best results

A few details make a big difference. Don’t overdo the corn starch; too much will give a pasty rather than crispy texture. Always ensure the oil is very hot to encourage proper browning and crispiness. Follow these pointers and even high-moisture potatoes can develop the desired texture.

This technique is useful if you want crisper potatoes, are aiming for a more professional result at home, or need to manage potatoes that hold a lot of moisture. It improves texture without introducing unfamiliar ingredients.

A handy trick for every cook

This simple, effective method for improving French fries is a practical tip for any home cook. Adding corn starch to your frying routine can produce results comparable to those from professional kitchens. Whether you’re an experienced chef or a keen amateur, a small adjustment like this can noticeably improve your fries.