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French Onion Soup Recipe

French Onion Soup Recipe

A classic and comforting French Onion Soup recipe with caramelized onions in a rich beef broth, topped with a toasted baguette and melted Gruyere cheese.
Prep : 10 Total : 25 minutes

Ingredients
  

Main Ingredients

  • 4 Large yellow onions Thinly sliced
  • 4 tablespoons Butter Unsalted
  • 2 tablespoons Olive oil
  • 8 cups Beef broth Low sodium
  • 1 cup Dry red wine Optional
  • 1 teaspoon Dried thyme
  • 1 teaspoon Salt To taste
  • 0.5 teaspoon Black pepper To taste
  • 6 slices Baguette Toasted
  • 6 ounces Gruyere cheese Shredded

Instructions
 

Preparation Steps

  • Melt butter and olive oil in a large pot or Dutch oven over medium heat. Add onions and cook, stirring occasionally, until softened and caramelized, about 30-40 minutes.
  • Add beef broth, red wine (if using), thyme, salt, and pepper to the pot. Bring to a simmer and cook for 15 minutes.
  • Preheat broiler. Ladle soup into oven-safe bowls. Top each bowl with a toasted baguette slice and sprinkle generously with Gruyere cheese.
  • Broil until cheese is melted and bubbly, about 2-3 minutes. Watch carefully to avoid burning.
  • Serve immediately.

Notes

For a richer flavor, use homemade beef broth. You can also add a splash of sherry vinegar at the end for brightness.