Stiftung Warentest and Ökotest choose the best frozen fries. Consumers should not set the oven too hot and reduce the baking time.

The Bofrost oven French fries received a good rating of 1.7. The Edeka Organic French Fries and the Kaufland K-Classic Crispy Crinkles received a grade of 2.1. Some frozen fries contain harmful substances - here's how to prepare the products correctly Harmful substances are repeatedly detected in products during tests.