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Homemade French Onion Soup Recipe
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Homemade French Onion Soup Recipe

Homemade French Onion Soup is a classic comfort dish featuring caramelized onions in a rich, savory broth topped with crusty bread and melted cheese. This elegant soup is perfect for cozy nights or as a starter for a dinner party.
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Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Servings: 4 servings
Course: Soup
Cuisine: French
Calories: 315
Ingredients Method Notes

Ingredients
  

  • 4 large yellow onions thinly sliced
  • 1 tablespoon unsalted butter
  • 1 tablespoon olive oil
  • 2 cloves garlic minced
  • 1 teaspoon dried thyme
  • 3 cups low-sodium beef broth
  • 1 cup low-sodium chicken broth
  • 2 teaspoons Worcestershire sauce
  • 1 bay leaf
  • Kosher salt and freshly ground black pepper to taste
  • Crostinis or large croutons
  • 1 cup shredded Gruyère or Swiss cheese

Method
 

  1. Caramelize the Onions: Heat butter and olive oil in a large pot over medium heat. Add onions and cook slowly, stirring occasionally, for about 45 minutes until golden brown.
  2. Add Garlic and Thyme: Stir in minced garlic and dried thyme; cook for 1 minute.
  3. Simmer the Soup: Add beef broth, chicken broth, Worcestershire sauce, and bay leaf. Simmer for 20 minutes. Season with salt and pepper to taste.
  4. Prepare the Bowls: Divide soup into oven-safe bowls. Top with crostinis or croutons and shredded cheese.
  5. Broil the Soup: Broil the bowls for 2-3 minutes until cheese is melted and bubbly. Serve hot.

Notes

  • Patience is key for caramelizing the onions to achieve the best flavor.
  • Gruyère cheese is traditional, but Swiss cheese can be used as a substitute.
  • For a vegetarian version, use vegetable broth.