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French Onion Soup Recipe

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5.1 from 27 reviews

A comforting and rich French Onion Soup recipe topped with cheesy baguette slices. This classic dish is perfect for cozy nights in or as a starter for a dinner party.

  • Author: Sarah
  • Prep Time: 10 minutes
  • Cook Time: 1 hour 30 minutes
  • Total Time: 1 hour 40 minutes
  • Yield: 6 servings
  • Category: Soup
  • Method: Stovetop, Baking
  • Cuisine: French
  • Diet: Vegetarian

Ingredients

Yellow Onions:

  • 2.5 pounds yellow onions, sliced into half-moons

Olive Oil:

  • 2 tablespoons olive oil

Beef Broth Mixture:

  • 6 cups low-sodium beef broth
  • 2 teaspoons Worcestershire sauce
  • Kosher salt and pepper, to taste

Baguette and Cheese Topping:

  • 1 French baguette, sliced
  • 1 cup shredded Gruyère cheese
  • 2 sprigs fresh thyme

Instructions

  1. Caramelize Onions: Heat olive oil in a pot, cook onions until golden and caramelized.
  2. Add Broth: Pour in beef broth, Worcestershire sauce, salt, and pepper. Simmer for 30 minutes.
  3. Prepare Cheese Toast: Preheat oven, place baguette slices on a pan, sprinkle with cheese, bake until melted.
  4. Serve: Ladle soup into bowls, top with cheesy baguette slices, and garnish with fresh thyme.

Notes

  • Leftovers can be stored in the fridge for 3-5 days without the baguette. Reheat and add cheesy baguette before serving.
  • To freeze, cool soup, transfer to a freezer-friendly container, freeze for up to 3 months. Thaw in the fridge, reheat, and top with cheesy baguette.

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