Easy French Onion Soup Recipe
User Reviews
5
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Prep Time
15 mins
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Cook Time
2 hrs 10 mins
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Total Time
2 hrs 25 mins
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Servings
4
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Calories
447 kcal
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Course
Main Course, Appetizer, Soup
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Cuisine
French
Easy French Onion Soup Recipe
Description
This French Onion Soup recipe begins by cooking a large quantity of sliced onions over low heat with butter and olive oil for up to 90 minutes, allowing the onions to caramelize and develop sweet, complex flavors. Flour is then added to create a light thickening base, followed by deglazing the pot with some stock.
Additional stock is added, and the soup is simmered until reduced by half, concentrating the flavors and producing a rich broth. The soup is portioned into oven-safe crocks, topped with baguette slices and shredded gruyere cheese, then broiled until the cheese melts and browns to form a luscious topping.
This dish delivers a balance of sweet caramelized onions and savory broth, enriched by the nutty aroma of the gruyere. Alternatives such as vegetable stock and substitute cheeses like Comte, Emmental, or gouda can be used depending on dietary preferences.
Leftovers can be refrigerated for up to 4 days or frozen for 3 months. The soup also works well if the cheese and bread are prepared separately and added to the soup when serving.
Ingredients
- 2 tbsp olive oil
- 4 tbsp butter
- 8 onion sliced, large
- 1 tbsp all-purpose flour
- 8 cups stock chicken or beef
- 1 tsp kosher salt
To Top:
- 4 baguette slices
- 1 cup gruyere cheese shredded
Instructions
- Heat the olive oil in a large pot or a Dutch oven. Add the butter and let it melt.
- Add in the onion and give it a stir. Cook over medium heat for 1 hour to 1 hour and 30 minutes, stirring occasionally, until the onion is caramelized.
- Add in the flour and cook for 2 minutes. Pour in 1/2 cup beef stock and stir to deglaze the pot.
- Season with salt and add the rest of the beef stock. Turn the heat to medium high and bring the soup to a simmer. Cook for 35 to 45 minutes until it's reduced in half.
- Divide the soup between 4 oven-safe crocks, bowls or ramekins. Top with the baguette slices and shredded gruyere.
- Broil for 5 minutes or until the cheese is melted. Serve immediately.
Notes
- You can use vegetable stock for a vegetarian French onion soup.
- If oven-safe ramekins are unavailable, broil baguette slices with cheese separately and top the soup when serving.
- Store leftovers in an airtight container refrigerated up to 4 days or freeze for up to 3 months.
- Substitute gruyere cheese with Comte, Emmental, or gouda for different flavor profiles.
- Caramelizing onions slowly is key to developing the characteristic soup flavor.
Nutrition Information
Show DetailsNutrition Facts
Serving: 4Serving
Amount Per Serving
Calories 447 kcal
% Daily Value*
| Calories | 447kcal | 22% |
| Carbohydrates | 34g | 11% |
| Protein | 14g | 28% |
| Fat | 30g | 46% |
| Saturated Fat | 14g | 70% |
| Polyunsaturated Fat | 2g | 12% |
| Monounsaturated Fat | 11g | 55% |
| Trans Fat | 0.5g | 25% |
| Cholesterol | 66mg | 22% |
| Sodium | 2833mg | 118% |
| Potassium | 353mg | 8% |
| Fiber | 4g | 16% |
| Sugar | 14g | 28% |
| Vitamin A | 1668IU | 33% |
| Vitamin C | 16mg | 18% |
| Calcium | 388mg | 39% |
| Iron | 1mg | 6% |
* Percent Daily Values are based on a 2,000 calorie diet.
User Reviews
Overall Rating
5
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