Traditional French onion soup recipe

  • Serves 4
  • 15 mins to prepare and 40 mins to cook
  • 460 calories / serving
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143992 traditional French onion soup HERO

Melt the butter in a large, heavy-based saucepan over a medium heat. Add the onions and thyme leaves, stirring well to coat in the butter. Reduce the heat and cook gently over a low heat for 15-20 minutes until the onions start to caramelize and darken, stirring occasionally. Add the stock and bring to the boil. Reduce to a simmer and cook gently for 10-15 minutes.

Meanwhile, pre-heat the grill to hot and lightly toast the baguette slices.

Adjust the seasoning of the soup if necessary, then ladle into French onion soup bowls. Top with the lightly toasted slices of baguette, then sprinkle the cheese on top.

Glaze under the grill for a couple of minutes until the cheese has melted. Remove carefully from the grill using oven gloves. Serve immediately on side plates.

  • Ingredients

  • For the soup

  • 50g butter
  • 1kg onions, finely sliced
  • 2 thyme leaves, leaves picked
  • 1.2l beef stock
  • salt
  • pepper
  • For the croutons

  • 1 baguette, sliced
  • 120g gruyere, grated
  • Energy 1910kj 460kcal 23%
  • Fat 23g 32%
  • Saturates 13g 66%
  • Sugars 17g 19%
  • Salt 4g 66%

of the reference intake
Carbohydrate 48.5g Protein 15.8g Fibre 6.7g

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