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Traditional French Onion Soup

Wow this soup is flavorsome! What really surprised me about this classic was how much the taste changed along the way. Adding cognac and allowing the soup to simmer for at least an hour transforms the dish from what was originally an OK soup into a magnificently rich soup with great depth of flavor. The praise can’t stop there because alongside the flavor of this soup you also get to enjoy an assortment of textures, the soup’s silkiness being but one. I urge you to give this one a go as it turns the humble onion into an outright champion of the dinner table.

The original recipe is Delia Smith’s.

French Onion Soup with Beef broth, large garlic croutons, and gruyere

Serves: 6
Prep time: 15 minutes
Cooking time: 90 minutes
Soup Ingredients:
  • 2 tbl olive oil
  • 3 tbl butter
  • 700 g/1½ lbs onions, sliced
  • 2 cloves of garlic, minced
  • ½ tsp sugar
  • 2 pints/1 L beef stock
  • 10 fl oz/275 mL dry white wine
  • 2 tbl cognac
  • salt and pepper

Crouton Ingredients:

  • 1 twelve inch baguette, cut into 1 inch slices
  • 1 tbl olive oil
  • 2 cloves of garlic, crushed
  • salt

To Serve:

  • 8 oz/225 g Gruyère, grated



Method:

  1. Place a large soup pot over medium-high heat and melt the oil and butter together. Once that is hot, add the onions, garlic, and sugar. Keep stirring them every so often and cook until they start to darken, about 5 minutes.
  2. Now, reduce the heat to low and let the onion mixture cook for about 30 minutes, stirring occasionally. The bottom of the pot will develop a dark, caramelized color- don’t worry, it’s not burning! This build-up is where lots of flavor will come from.
  3. Add the stock, wine, and cognac and stir to incorporate. It is now the time to use a wooden spoon and scrape off all that caramelized goodness from the bottom. Let the soup simmer on low uncovered for about an hour.
  4. While the soup is doing its thing, get to work on the croutons. On a baking sheet, mix the oil, garlic and salt and spread it around with your fingers. Rub both sides of each slice of bread in the oil mixture. Bake for 20-25 minutes at 180°C/350°F until golden and crunchy.
  5. Check the flavor of the soup and season accordingly. To serve, ladle it into a bowl and top with a crouton and a good sprinkle of Gruyère. Place the bowl under a hot grill until the cheese is decidedly melty. Then, set the bowl on a plate and serve to your hungry guests, making sure to warn them of the hot bowls!

Variation:

As a variation- get creative! Mix it up with different types of stock or add your own favorite tipple instead of cognac; even though cognac goes bloomin’ well in this soup.


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5 Comments

  1. I love french onion soup! This looks so delicious. I love all that melted cheese!

  2. This looks cheesy and great! Love French Onion Soup!

  3. Ann

    Wonderful! It’s amazing that foodies think alike! I have french onion soup on my menu this week and this is the second one I’ve seen today in the blog-o-sphere! I love when that happens!

  4. This looks and sounds fantastic- love all the booze in it too :) Adding cognac is brilliant!

  5. French onion soup is my absolute favorite. It’s on my menu for this weekend actually. This one sounds fantastic!

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