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French Onion Soup with Comté Grilled Cheese Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.2 from 23 reviews
  • Author: Mariam
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 4 servings
  • Category: Soup
  • Method: Stovetop
  • Cuisine: French

Description

A classic French Onion Soup recipe featuring slowly caramelized onions simmered in rich beef stock and thyme, topped with toasted baguette slices and melted Comté cheese for a warm, comforting meal perfect for cozy evenings.


Ingredients

Scale

Soup

  • 8 onions, thinly sliced
  • 2 garlic cloves, peeled
  • 50g butter
  • 1200ml beef stock
  • 15g fresh thyme
  • Salt, to taste
  • Olive oil, for cooking

Topping

  • 400g baguette, sliced
  • 150g Comté cheese, grated


Instructions

  1. Prepare Onions and Garlic: Thinly slice the onions and peel the garlic cloves to have them ready for cooking.
  2. Heat Oil and Salt: In a large saucepan, heat a drizzle of olive oil over medium heat. Add a pinch of salt to help the onions release their moisture.
  3. Caramelize Onions: Cook the onions slowly over medium heat, stirring occasionally, until they become soft and turn a pale golden color, which should take about 30 minutes.
  4. Add Garlic and Butter: Stir in the peeled garlic cloves and butter, then continue cooking for an additional 5 minutes until fragrant and combined.
  5. Simmer Soup: Pour in the beef stock and add the thyme sprigs. Let the soup simmer gently for 10 minutes to meld the flavors.
  6. Season: Taste the soup and adjust the seasoning with salt if necessary.
  7. Assemble Bowls: Divide the soup evenly into oven-proof bowls. Place a few slices of baguette on top of each bowl and generously sprinkle with the grated Comté cheese.
  8. Broil Cheese: Place the bowls under a broiler until the cheese melts, becomes bubbly, and lightly browned.

Notes

  • Slowly caramelizing the onions is crucial to develop the soup’s deep, sweet flavor.
  • Use a good quality beef stock for rich taste.
  • Comté cheese melts beautifully, but Gruyère can be used as a substitute.
  • Use oven-proof bowls to safely broil the cheese topping.
  • For a vegetarian version, replace beef stock with vegetable stock.
  • Be careful when handling hot bowls out of the oven.