French Onion Soup Recipe
Indulge in the warm, comforting flavors of French onion soup, a dish that has captured hearts around the world. With its rich, caramelized onion base and gooey melted cheese topping, this classic recipe is perfect for any occasion. Whether served as an appetizer or a main course, it promises to elevate your dining experience and bring a taste of France to your table. Get ready to impress your friends and family with this delightful soup that’s as delicious as it is easy to make.
Ingredients
- 4 large onions, thinly sliced
- 4 tablespoons unsalted butter
- 1 tablespoon olive oil
- 1 teaspoon sugar
- 2 cloves garlic, minced
- 8 cups beef broth
- 1 cup dry white wine
- 1 tablespoon fresh thyme leaves
- Salt and pepper to taste
- 8 slices of baguette, toasted
- 2 cups grated Gruyère cheese
Servings and Cooking Time
This recipe serves 4 people. Preparation time is about 15 minutes, and cooking time is approximately 1 hour.
Nutritional Value
Each serving of French onion soup (1 bowl) contains approximately 320 calories, 15g of fat, 30g of carbohydrates, and 12g of protein. This value is based on one serving.
Step-by-Step Cooking Process
- In a large pot, melt butter and olive oil over medium heat.
- Add sliced onions and stir well.
- Cook for about 30 minutes, stirring frequently until onions are caramelized.
- Sprinkle sugar over onions to enhance sweetness.
- Add minced garlic and cook for 1 minute.
- Pour in the white wine and cook until reduced by half.
- Add beef broth and thyme, bringing to a simmer.
- Season with salt and pepper to taste.
- Let the soup simmer for 20 minutes to develop flavors.
- Preheat the broiler in your oven.
- Serve the soup in oven-safe bowls with toasted baguette slices on top, covered with cheese.
- Broil for 5 minutes, or until cheese is bubbly and golden.
Alternative Ingredients
For a vegetarian version, substitute beef broth with vegetable broth. You can also use different types of cheese, such as mozzarella or cheddar, if Gruyère is unavailable.
Serving and Pairings
French onion soup pairs beautifully with a fresh green salad, crusty bread, or even a light wine such as Sauvignon Blanc, enhancing its rich flavors.
Storage and Reheating
Store leftover soup in an airtight container in the refrigerator for up to 3 days. To reheat, warm on the stove over medium heat. While it’s best served fresh, you can freeze the soup for up to a month without the cheese topping.
Cooking Mistakes
- Don’t rush the caramelization process; it takes time to develop deep flavors.
- Ensure the onions are sliced evenly for consistent cooking.
- Avoid adding too much salt early; taste as you go.
- Don’t skip the wine; it adds essential flavor.
- Use quality broth for the best taste.
- Don’t overcrowd the pot; caramelize onions in batches if necessary.
- Let the soup simmer long enough for flavors to meld.
Helpful Tips
- Use a heavy-bottomed pot to avoid burning the onions.
- For a richer flavor, add a splash of balsamic vinegar.
- Experiment with herbs like rosemary or bay leaves for a unique twist.
- Serve with a side of garlic bread for extra flavor.
FAQs
Can I use sweet onions for this recipe?
Yes, sweet onions like Vidalia or Walla Walla are great for caramelizing and will add a wonderful sweetness to your soup.
Is French onion soup gluten-free?
Traditional recipes use bread, making it not gluten-free. You can use gluten-free bread for a suitable alternative.
How can I make this soup vegetarian?
Simply replace the beef broth with vegetable broth and omit any meat-based ingredients.
Can I prepare French onion soup in advance?
Yes, you can prepare the soup ahead of time. Just store it without the cheese and bread toppings and reheat before serving.
What can I serve with French onion soup?
It pairs well with salads, sandwiches, or as a starter before a main meal.
Conclusion
French onion soup is a timeless classic that brings warmth and comfort to any meal. With its rich flavors and satisfying texture, this recipe is sure to become a favorite in your kitchen. Enjoy the process of making it and sharing it with loved ones!

French Onion Soup Recipe
Ingredients
- 4 large onions thinly sliced
- 4 tablespoons unsalted butter
- 1 tablespoon olive oil
- 1 teaspoon sugar
- 2 cloves garlic minced
- 8 cups beef broth
- 1 cup dry white wine
- 1 tablespoon fresh thyme leaves
- Salt and pepper to taste
- 8 slices of baguette toasted
- 2 cups grated Gruyère cheese
Instructions
- Melt butter and olive oil in a large pot over medium heat.
- Add sliced onions and stir well.
- Cook for about 30 minutes, stirring frequently until onions are caramelized.
- Sprinkle sugar over onions to enhance sweetness.
- Add minced garlic and cook for 1 minute.
- Pour in the white wine and cook until reduced by half.
- Add beef broth and thyme, bringing to a simmer.
- Season with salt and pepper to taste.
- Let the soup simmer for 20 minutes to develop flavors.
- Serve in oven-safe bowls with toasted baguette slices on top, covered with cheese.
- Broil for 5 minutes, or until cheese is bubbly and golden.