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French onion soup: Discover the secret to perfection!

french onion soup
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A classic French onion soup made with caramelized onions, rich broth, and topped with melted cheese.

  • Author: Dija
  • Prep Time: 15 minutes
  • Cook Time: 1 hour
  • Total Time: 1 hour 15 minutes
  • Yield: 6 servings 1x
  • Category: Soup
  • Method: Stovetop
  • Cuisine: French
  • Diet: Vegetarian

Ingredients

Scale
  • 4 large onions, thinly sliced
  • 4 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 1 teaspoon sugar
  • 8 cups beef broth
  • 1 cup dry white wine
  • 2 tablespoons all-purpose flour
  • 1 teaspoon thyme
  • Salt and pepper to taste
  • 8 slices of baguette
  • 2 cups grated Gruyère cheese

Instructions

  1. In a large pot, melt the butter and olive oil over medium heat.
  2. Add the sliced onions and sugar, cooking until caramelized, about 30 minutes.
  3. Stir in the flour and cook for an additional 2 minutes.
  4. Add the wine, scraping the bottom of the pot to deglaze.
  5. Pour in the beef broth and add thyme, salt, and pepper. Simmer for 30 minutes.
  6. Preheat the oven to broil.
  7. Place the baguette slices on a baking sheet and toast until golden.
  8. Serve the soup in bowls, top with toasted baguette slices, and sprinkle with Gruyère cheese.
  9. Broil until the cheese is bubbly and golden.

Notes

  • For a vegetarian version, use vegetable broth instead of beef broth.
  • Make sure to caramelize the onions slowly for the best flavor.
  • Gruyère cheese can be substituted with Swiss cheese if desired.

Nutrition

Find it online: https://101simplyrecipes.com/french-onion-soup-recipe-classic-delicious-comfort-food/