Ingredients
- 4 large yellow onions (thinly sliced)
- 4 cups beef broth
- 1 cup dry white wine
- 3 tablespoons unsalted butter
- 1 teaspoon sugar (to enhance sweetness)
- 1 teaspoon fresh thyme (or 1/2 tsp dried)
- 1 bay leaf
- 1 baguette French bread (sliced)
- 2 cups grated Gruyère cheese
- 1 teaspoon salt
- 1 teaspoon black pepper
Instructions
5 steps
Cook the Onions
In a large pot, melt the butter over medium heat. Add the sliced onions and sauté until they turn golden brown, about 25-30 minutes.
Stir frequently to prevent burning and ensure even cooking.Deglaze the Pot
Add the sugar and continue to cook until the onions caramelize. Pour in the white wine and scrape the bottom of the pot to deglaze it.
Let the wine reduce slightly for enhanced flavor.Add Broth and Herbs
Stir in the beef broth, thyme, bay leaf, salt, and pepper. Bring the soup to a simmer and let it cook for about 30 minutes.
Taste and adjust seasoning as needed.Prepare the Bread
While the soup simmers, preheat the oven to 350°F (175°C). Arrange the sliced baguette on a baking sheet and toast until golden.
You can also grill the bread for a smoky flavor.Serve the Soup
Remove the bay leaf from the soup. Ladle the soup into oven-safe bowls, top with toasted bread slices, and sprinkle with Gruyère cheese.
Broil the bowls in the oven until the cheese is bubbly and golden.
💡 Tips & Tricks
Storage & Reheating
Refrigerator
Up to 4 days in an airtight container
Freezer
Up to 3 months — thaw overnight in fridge
Reheat on the stovetop over medium heat, stirring occasionally. Add a splash of water or broth if it has thickened.
What to Serve With
Complete your french meal with these perfect pairings:
About This Dish
Delicious French Onion Soup Recipe | Authentic French Cuisine is a beloved dish from French cuisine.
French cuisine is considered one of the world's finest culinary traditions. Known for its refinement and attention to detail, it has influenced cooking around the globe for centuries.
This recipe is rated medium difficulty and uses 11 ingredients. Intermediate cooks will enjoy the balanced challenge.
Frequently Asked Questions
Yes, vegetable broth can be used for a vegetarian version, though it may alter the flavor.
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Nutrition Facts
4 serving(s) per recipe
* Percent Daily Values are based on a 2,000 calorie diet. Values are approximate and may vary based on ingredients used.
