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How To Make French Onion Soup

How To Make French Onion Soup

French Onion Soup Recipe. A savoury and hearty old favourite, this recipe for Onion Soup is a filling choice for a mid-winter's snack. Taste our French Onion Soup recipe.


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Step 1: You will need

  • 100 g butter
  • 8 onions sliced
  • 1 thyme picked
  • 120 ml sherry wine
  • 1 ltr brown chicken or veal stock
  • salt and pepper
  • 16 approx slices of baguette
  • 2 olive oil
  • 1 clove garlic
  • 100 g grated Swiss cheese, Cheddar or Gruyere
  • 1 sauce pan
  • 1 wooden spoon
  • 1 tray
  • 1 brush
  • 1 ladle

Step 2: Brown the onions

Start by placing pan on a high heat. Add the butter and let it melt. Just before it starts to brown, add about one third of the onions and stir slightly, just to let them settle. Let them sweat for about 5 minutes.

When they start to brown, add another batch of onions. Repeat until all the onions are brown and well-caramelised, approximately after 20 minutes. The onions can be caramelised in small or large batches depending on the size of the pot.


Step 4: Caramelisation

Caramelisation is a process by which the sugar content of a food is cooked or oxidized until it results in a brown colour with a nutty flavour.

It is a very common cooking method used in not only the making of sweet but also brings a distinct flavour to dishes like this French Onion Soup.

Step 5: Add the rest of the ingredients

When the onions are nicely caramelized, add the sherry, the thyme, and the chicken stock and season with salt and pepper. Scrape the bottom of the pan to integrate the residues from the caramelised onions that are stuck to the pan.

Now stir the mixture, bring it to a simmer, and let it cook for about 20 minutes.

Step 6: Preheat the oven

You can now set the oven to its grill setting.

Step 7: Prepare the croutons

Place slices of the bread on a tray and taking the garlic, rub each slice individually. Turn the pieces and repeat for the other side. Next, brush olive oil on each piece, season slightly with salt and pepper, turn them, and season as before.

Place in oven for a minute until brown. Turn them to the other side and grill for another minute.

Step 8: Remove the surface

Next, skim the foam that has gathered on the surface of the soup and remove the french onion soup from the heat.

Step 9: Assemble the soup

Carefully spoon the soup into some oven-resistant soup bowls. Now place a few of your freshly-made croutons on top and cover them with heaping amounts of the grated cheese. Place in the oven for a minute, just until the cheese is melted.


You can never have too much melted cheese on top of Onion soup. Don't hold back!

Step 11: Serve

Garnish the piping hot french onion soup with a few sprigs of thyme and it is ready to enjoy! It is just the perfect thing for a cold winter day.