Hazırlanışı
1Preheat oven to 200°C. Cut 680g potatoes into thin fries, toss with 14g oil, spread on a baking sheet.
2Bake potatoes for 25–30 minutes, stirring halfway, until golden and crispy.
3Whisk 204g crème fraîche with 11g Dijon mustard, 17g egg yolk, and 16g flour until smooth.