French Onion Soup with Cheese Croûtons

A classic French onion soup with slowly caramelized onions, a savory broth and crispy cheese croûtons. It warms you on cold days and works as a starter or as a hearty meal.

By yumbelo · 4 servings · 75 minutes

Ingredients

  • 800 g Yellow onions
  • 40 g Butter
  • 1 EL Vegetable oil
  • 1 TL Sugar
  • 2 EL Wheat flour
  • 1.5 l Beef broth
  • 1 TL Thyme, dried
  • 2 Stück Bay leaves
  • 200 g Baguette, sliced
  • 120 g Gruyère, grated
  • 0.5 Bund Parsley, chopped
  • Salt
  • Pepper

Method

  1. Peel the onions, halve them and slice them into thin rings.
  2. Heat the butter and oil in a large pot over medium heat, add the onions and a pinch of salt, and let them caramelize to a golden brown for about 35 minutes, stirring occasionally.
  3. Sprinkle in the sugar and fry it along with the onions for one minute while stirring, then stir in the flour and sweat it briefly.
  4. Gradually pour in the beef broth, add the thyme and bay leaves, and simmer the soup over low heat for about 20 minutes.
  5. Meanwhile, toast the baguette slices in the oven at 200 °C top and bottom heat for about 5 minutes, sprinkle them with the Gruyère and gratinate under the grill until golden brown.
  6. Remove the bay leaves, season the soup with salt and pepper, and ladle it into four ovenproof bowls.
  7. Place one slice of cheese croûton on each soup, sprinkle with the chopped parsley and serve immediately.