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Dutch Oven French Onion Soup

Home Cook, taken with iPhone 14. Close-up slight angle of freshly prepared Dutch Oven French Onion Soup on white plate. Rich inviting --ar 4:3 --style raw --s 230

This Dutch Oven French Onion Soup features caramelized onions simmered in a rich beef broth, topped with toasted bread and melted cheese for a classic, comforting meal.

Ingredients

Scale
  • 4 large yellow onions, thinly sliced
  • 4 tablespoons unsalted butter
  • 2 tablespoons olive oil
  • 1 teaspoon sugar
  • 4 cloves garlic, minced
  • 8 cups beef broth
  • 1/2 cup dry white wine (optional)
  • 2 tablespoons all-purpose flour
  • 1 teaspoon dried thyme
  • 1 bay leaf
  • Salt and freshly ground black pepper, to taste
  • Baguette slices, toasted
  • 2 cups shredded Gruyère cheese

Instructions

  1. Heat butter and olive oil in a large Dutch oven over medium heat.
  2. Add sliced onions and sugar; cook, stirring frequently, until onions are caramelized and deep golden brown, about 40-45 minutes.
  3. Stir in minced garlic and cook for 1 minute more.
  4. Sprinkle flour over onions and cook for 2-3 minutes, stirring constantly to eliminate raw flour taste.
  5. Pour in white wine to deglaze the pot, scraping up any browned bits from the bottom.
  6. Add beef broth, thyme, and bay leaf. Bring to a simmer and cook for 30 minutes. Season with salt and pepper to taste.
  7. Preheat oven broiler. Ladle soup into oven-safe bowls or crocks, place toasted baguette slices on top, and generously sprinkle with shredded Gruyère cheese.
  8. Place bowls under the broiler for 3-5 minutes, or until cheese is bubbly and golden brown.
  9. Carefully remove and serve hot.

Notes

For a vegetarian variation, substitute beef broth with vegetable broth and omit the wine if preferred.