Go Back

Le Bouche à Oreille Liège-Style Fries with Homemade Mayo Recipe

Golden Belgian fries, crisp outside and soft inside, served with thick homemade mayo. Le Bouche à Oreille-style Liège Fries are simple, traditional and exactly the kind of thing that reminds you potatoes may be proof the universe likes us.
Prep Time25 minutes
Active Time20 minutes
Soaking and Resting Time1 hour
Total Time1 hour 45 minutes
Course: Dip, Side Dish, Snack
Cuisine: Belgian
Keyword: French Fries, Fries, Mayonnaise
Yield: 4 Servings

Ingredients

Homemade Mayo

  • 1 Egg Yolk
  • 1 teaspoon Dijon Mustard
  • 1 tablespoon White Wine Vinegar
  • 1 teaspoon freshly squeezed Lemon Juice
  • 1/2 teaspoon Salt
  • 1/8 teaspoon White Pepper
  • 3/4 cup Neutral Oil, such as Canola Oil or Sunflower Oil

Fries

  • 3 pounds Russet Potatoes
  • Beef Tallow, Peanut Oil or Canola Oil for frying
  • Salt to taste

Instructions

  • Place egg yolk, Dijon mustard, white wine vinegar, lemon juice, salt and white pepper in a medium bowl.
  • Whisk until smooth.
  • Add oil very slowly, a few drops at a time, whisking constantly.
  • Continue whisking in oil in a thin steady stream until mayonnaise is thick and glossy.
  • Cover mayo and refrigerate until ready to serve.
  • Peel potatoes if desired.
  • Cut potatoes into thick fries, about 1/2 inch wide.
  • Place fries in a large bowl of cold water.
  • Soak 30 minutes.
  • Drain fries well.
  • Pat fries very dry with clean kitchen towels.
  • Heat frying fat or oil to 300°F in a deep heavy pot.
  • Fry potatoes in batches until pale, softened and cooked through but not browned.
  • Transfer fries to a wire rack.
  • Let fries rest 20 to 30 minutes.
  • Increase frying fat or oil to 375°F.
  • Fry potatoes again in batches until golden brown and crisp.
  • Transfer fries to a clean wire rack or paper towel-lined tray.
  • Season immediately with salt.
  • Serve hot with homemade mayo.