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Classic French Onion Soup


  • Author: emily-mitchell
  • Total Time: 60 minutes
  • Yield: 4 servings 1x

Description

A warm and comforting French Onion Soup featuring caramelized onions in rich broth, topped with melted cheese and crusty bread.


Ingredients

Scale
  • 4 large yellow onions, thinly sliced
  • 4 tablespoons of unsalted butter
  • 1 tablespoon of olive oil
  • 1 teaspoon of sugar
  • 4 cups of beef broth (or vegetable broth for a vegetarian option)
  • 1 teaspoon of thyme (fresh or dried)
  • Salt and pepper to taste
  • 1 cup of Gruyère cheese, shredded
  • 1 baguette or any crusty bread, sliced
  • Optional: A splash of sparkling grape juice, pomegranate, or cranberry juice

Instructions

  1. Begin by heating your butter and olive oil in a large heavy-bottomed pot over medium heat. Once melted, add the sliced onions.
  2. Sprinkle the teaspoon of sugar over the onions and continue to cook, stirring occasionally, for about 30-40 minutes until golden-brown.
  3. Once the onions are beautifully caramelized, add the thyme, salt, and pepper; stir to combine thoroughly.
  4. Gradually pour in the beef broth while stirring to incorporate the flavors from the bottom of the pot. Bring to a gentle simmer and let it cook for an additional 20 minutes.
  5. While your soup is simmering, prepare your bread by slicing the baguette into thick pieces and toasting them lightly.
  6. Preheat your oven to broil. After the soup has simmered, ladle it into oven-safe bowls and place a slice of toasted bread on top of each bowl.
  7. Generously sprinkle grated Gruyère cheese over the bread.
  8. Place the bowls on a baking sheet and broil them for about 2-3 minutes until the cheese is bubbly and golden brown.
  9. Carefully remove the bowls from the oven and let them cool for a minute. Serve immediately, garnished with fresh thyme if desired.

Notes

For a vegetarian version, replace beef broth with vegetable broth. Experimenting with different herbs can enhance flavor.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Soup
  • Method: Braising
  • Cuisine: French

Nutrition

  • Serving Size: 1 serving
  • Calories: 400
  • Sugar: 6g
  • Sodium: 800mg
  • Fat: 22g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 3g
  • Protein: 12g
  • Cholesterol: 30mg