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French Onion Soup with Cheesy Bread Topping
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Classic French Onion Soup with Cheesy Bread Topping

A deeply flavorful French onion soup with caramelized onions, rich broth, and bubbly Gruyere-topped bread.
Prep Time15 minutes
Cook Time1 hour 30 minutes
Total Time1 hour 45 minutes
Course: Main Course, Soup
Cuisine: French
Keyword: cheesy onion soup, classic onion soup, french onion soup, gruyere soup
Servings: 6 servings
Calories: 420kcal

Equipment

  • large heavy-bottomed pot
  • oven-safe bowls

Ingredients

  • 3 lbs yellow onions, sliced
  • 3 tbsp butter
  • 2 tbsp olive oil
  • 0.5 cup dry white wine
  • 8 cups beef broth
  • 3 sprigs fresh thyme
  • 1 bay leaf
  • 1 tsp salt
  • 0.5 tsp black pepper
  • 1 french baguette, sliced
  • 2 cups gruyere cheese, shredded

Instructions

  • Slowly caramelize onions in butter and olive oil.
  • Deglaze pot with white wine.
  • Add broth, herbs, and simmer.
  • Toast baguette slices.
  • Top soup with bread and cheese and broil.
  • Serve hot.

Notes

Caramelize onions slowly for best flavor. Use oven-safe bowls. Freeze soup base without bread and cheese.