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Easy French Onion Soup That Practically Makes Itself

Easy French onion soup in white bowl topped with melted Gruyere cheese and toasted baguette

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Shortcut recipe for French Onion Soup that delivers deep savory flavors without hours of stirring. Simple, comforting and made with just few easy ingredients.

Ingredients

Scale
  • 4 large onions (about 68 cups sliced), peeled and sliced thin
  • 2 tablespoons olive oil or butter
  • 4 cups beef broth or vegetable broth
  • 2 sprigs fresh thyme
  • 1 bay leaf
  • Salt and pepper to taste
  • 4 slices French baguette
  • 1 to cups shredded Gruyère cheese or shredded mozzarella Parmesan mix
  • Optional: 2-3 tablespoons white wine

Instructions

  1. Peel and slice onions thinly, about ¼-inch thick for even cooking.
  2. In large pot, add onions and olive oil or butter. Cover and cook on low heat for about 30 minutes, stirring every 8-10 minutes, until golden and caramelized.
  3. Add broth, thyme sprigs, bay leaf, and season with salt and pepper. Add 2-3 tablespoons white wine if using. Bring to gentle simmer and cook for 15 minutes to let flavors meld.
  4. While soup simmers, toast bread slices in oven at 375°F or on grill pan until crispy and golden on outside, about 5-7 minutes.
  5. Use a spoon to fish out and discard thyme sprigs and bay leaf. Ladle soup into oven-safe soup bowls (12-16 oz capacity), top with toasted bread, sprinkle with shredded cheese. Place bowls on top oven rack (about 4-5 inches from broiler) and broil for 2-3 minutes until cheese is melted and bubbly.
  6. Use oven mitts to carefully remove hot bowls. Let cool for a minute before serving. Enjoy while warm and gooey.

Notes

  • Use yellow or sweet onions for best caramelization. Covering the pot traps moisture and speeds up cooking without constant stirring.
  • Gruyère is traditional, but shredded mozzarella and Parmesan mix works great. Day-old bread toasts better and holds up in the soup.
  • Can make soup ahead and store broth separately from bread and cheese for up to 3 days refrigerated or 3 months frozen.

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