Onion Soup Recipe

Preparation

1. 1

   Prepare the Leeks and Onions

   Trim the roots and dark green parts off the leeks, then slice them thinly. Peel and slice the onions thinly. Mince the garlic.

2. 2

   Sauté the Vegetables

   In a large pot, melt the butter over medium heat. Add the leeks, onions, and garlic. Sauté until softened and slightly caramelized, about 10-15 minutes.

3. 3

   Add Broth and Seasoning

   Pour in the vegetable broth, add thyme, salt, and black pepper. Bring to a simmer and let cook for about 20 minutes.

4. 4

   Prepare Puff Pastry

   While the soup is simmering, preheat the oven to 400°F (200°C). Roll out the puff pastry sheet and cut it into rounds slightly larger than your soup bowls.

5. 5

   Assemble and Bake

   Ladle the soup into oven-safe bowls, top with a generous amount of Gruyere cheese, then cover with puff pastry. Cut a few slits in the pastry to allow steam to escape. Bake in the oven for 20-25 minutes, or until the pastry is golden brown.

6. 6

   Serve

   Remove from the oven and let cool slightly before serving. Enjoy your delicious onion soup!