French Onion Soup

User Reviews

5

8 reviews
Excellent
  • Prep Time

    25 mins

  • Cook Time

    1 hr 35 mins

  • Total Time

    2 hrs

  • Servings

    6 servings

  • Calories

    327 kcal

  • Course

    Main Course

  • Cuisine

    French

French Onion Soup

This French onion soup tastes just like the classic, with plenty of onions and leeks in a rich homemade broth. Here's how to make it.

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Ingredients

Servings
  • 2 large onion quartered and thinly sliced, yellow
  • 2 red onions quartered and thinly sliced
  • 4 leek root ends and dark-green tops lopped off, leeks sliced 1/4-inch thin, and washed
  • 1 tablespoon (1/2 oz) butter unsalted
  • 1 tablespoon olive oil
  • 2 tablespoons all-purpose flour unbleached
  • 8 cups vegetable stock or chicken stock
  • 1 tablespoon Worcestershire sauce [Editor's Note: or a splash of fortified wine]
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper freshly ground
  • 1 baguette day-old
  • 1/2 cup Parmigiano-Reggiano cheese grated
  • 1/2 cup gruyere cheese plus more as needed, grated; or substitute Comté, Emmentaler, mozzarella, young Manchego, or another melting cheese

Instructions

  1. In a large soup pot over medium-high heat, sauté the yellow and red onions and the leeks in the butter and olive oil stirring occasionally to keep the onions from sticking to the bottom of the pot and scorching, until they've begun to soften slightly and shrink in volume, 5 to 10 minutes.
  2. Reduce the heat to medium or medium-low and continue to cook the onions for about an hour, until they're caramel in color and seem practically melted. Keep a careful eye on them, as you don't want the onions to burn. If it looks like they're heading in that direction, lower the flame even more, or splash a little bit of water over them to buy you some cooking time.
  3. Sprinkle the properly caramelized onions with the flour, stirring constantly so the flour doesn't clump. Sauté for another 5 minutes to cook off the floury taste.
  4. Pour the stock over the onions and bring to a boil over high heat. Reduce the heat and simmer for 30 minutes. Stir in the Worcestershire sauce, salt, and pepper. Taste and adjust the seasonings accordingly.
  5. Preheat your oven to 350°F (175°C). Thickly slice the baguette, brush both sides with olive oil, scatter them on a baking sheet, and bake until the bread dries out and the edges are golden brown. Preheat the broiler.
  6. Just before you're ready to serve the soup, whisk in the Parmigiano-Reggiano. It's important to whisk in the cheese at the last minute or it will sink to the bottom of the pot and burn. Ladle the warm soup into heatproof bowls or crocks and float a slice of the baked bread in each bowl. Sprinkle some Gruyère over each slice of bread and slide the crocks under the broiler until the cheese bubbles and browns. 

Nutrition Information

Show Details
Serving 1portion Calories 327kcal (16%) Carbohydrates 44g (15%) Protein 12g (24%) Fat 12g (18%) Saturated Fat 5g (25%) Monounsaturated Fat 4g (20%) Trans Fat 1g (50%) Cholesterol 23mg (8%) Sodium 2110mg (88%) Fiber 4g (16%) Sugar 9g (18%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 327 kcal

% Daily Value*

Serving 1portion
Calories 327kcal 16%
Carbohydrates 44g 15%
Protein 12g 24%
Fat 12g 18%
Saturated Fat 5g 25%
Monounsaturated Fat 4g 20%
Trans Fat 1g 50%
Cholesterol 23mg 8%
Sodium 2110mg 88%
Fiber 4g 16%
Sugar 9g 18%

* Percent Daily Values are based on a 2,000 calorie diet.

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5

8 reviews
Excellent

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