Print

Simple French Onion Soup Recipe

Simple French Onion Soup Recipe

4.8 from 18 reviews

A comforting and classic French onion soup recipe that features deeply caramelized onions in a rich beef broth, topped with toasted baguette slices and melted Gruyère cheese. Perfect for a cozy night in or as an impressive starter for a dinner party.

Ingredients

Units Scale

Onion Mixture:

  • 4 large yellow onions (thinly sliced)
  • 3 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 1 teaspoon sugar
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 2 cloves garlic (minced)

Soup Base:

  • 1/2 cup dry white wine (optional)
  • 6 cups beef broth
  • 2 teaspoons Worcestershire sauce
  • 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
  • 1 bay leaf

For Serving:

  • 1 baguette (sliced)
  • 1 1/2 cups shredded Gruyère or Swiss cheese

Instructions

  1. Caramelize Onions: In a large pot, melt butter with olive oil over medium heat. Add onions, sugar, salt, and pepper. Cook until deeply golden and caramelized.
  2. Add Flavors: Stir in garlic, deglaze with white wine, if using, then add beef broth, Worcestershire sauce, thyme, and bay leaf. Simmer.
  3. Prepare Toppings: Toast baguette slices until crisp. Ladle soup into bowls, top with bread and cheese.
  4. Melt Cheese: Broil bowls until cheese is melted and bubbly. Serve hot.

Notes

  • Consider using sweet onions or a mix of yellow and white for enhanced flavor.
  • If lacking oven-safe bowls, melt cheese on toasts separately and float them on the soup.

Nutrition