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Easy Rich French Onion Soup Recipe Perfect for Cozy Dinners in 1 Hour

Easy Rich French Onion Soup - featured image

A quick and comforting French onion soup recipe that caramelizes onions to perfection and tops with melted Gruyère cheese, ready in about one hour.

Ingredients

Scale
  • 4 large yellow onions, thinly sliced
  • 3 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 2 garlic cloves, minced
  • ½ cup dry white wine or sherry (optional)
  • 6 cups beef broth
  • 23 sprigs fresh thyme
  • 1 bay leaf
  • 68 slices baguette, lightly toasted
  • 1½ cups grated Gruyère cheese
  • Salt and freshly ground black pepper to taste

Instructions

  1. Slice the onions thinly, about ¼ inch thick, taking about 10 minutes.
  2. Heat butter and olive oil in a large heavy-bottomed pot over medium heat until melted.
  3. Add the sliced onions and stir to coat with the fat.
  4. Caramelize the onions slowly over medium-low heat for 30-40 minutes, stirring every 5 minutes. Add a splash of water if onions start sticking.
  5. Stir in minced garlic and cook for 1 minute until fragrant.
  6. Deglaze the pot with ½ cup dry white wine or sherry, scraping up browned bits, and let reduce for 3-5 minutes.
  7. Add 6 cups beef broth, fresh thyme sprigs, and bay leaf. Bring to a gentle simmer and cook uncovered for 15 minutes. Season with salt and pepper to taste.
  8. While the soup simmers, toast baguette slices on a baking sheet under the broiler or in a toaster oven until golden and crisp, about 2-3 minutes per side.
  9. Remove thyme sprigs and bay leaf from soup. Ladle soup into oven-safe bowls, top each with toasted baguette slices and grated Gruyère cheese.
  10. Place bowls on a baking sheet and broil in the oven until cheese bubbles and turns golden brown, about 3-5 minutes. Watch closely to avoid burning.
  11. Serve immediately, letting cool for a minute before enjoying.

Notes

Patience during caramelization is key to avoid burnt onions and achieve sweet, rich flavor. Use medium-low heat and stir every 5 minutes. Watch cheese closely when broiling to prevent burning. For vegetarian version, substitute beef broth with vegetable broth and omit wine.

Nutrition

Keywords: French onion soup, easy soup recipe, caramelized onions, cozy dinner, one-hour soup, Gruyère cheese soup