Authentic French Onion Soup: Soupe a l’oignon

Authentic French Onion Soup: Soupe a l’oignon


Servings 4
Time Needed Prep
Ingredients 9
Difficulty Easy

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  • 1 Unsalted Butter (100 Grams) cubed
  • 5 Brown Onions (roughly 750 Grams) cubed
  • 1/4 cup Plain Flour (30 Grams)
  • 1 Litres Chicken Stock
  • 1 tbsp Sea Salt & Freshly Cracked Black Pepper
  • To serve
  • 1 cup Parsley chopped
  • 1 French Baguette Or Sourdough sliced
  • 1 Gruyere Cheese (100 Grams) grated

Nutrition Information

Qty per
228g serve
Qty per
Energy 448cal 197cal
Protein 19.3g 8.5g
Fat (total) 17g 7.4g
 - saturated 9g 3.9g
Carbohydrate 56g 25g
 - sugars 6.8g 3g
Dietary Fibre 2.81g 1.23g
Sodium 814mg 357mg

Please Note - Nutritional information is provided as a guide only and may not be accurate.

In France this french onion soup is traditionally eaten at about 3am, as reviver after everyone has been drinking, dancing and sweating for hours at a wedding or other big event!

You can serve Soupe a l’oignon as a warming starter but it’s filling and nourishing enough to be an entire meal.

Remember that it’s important to start with a great stock for the best flavour.


  1. Peel, half and thinly slice onions. Melt butter in a large, heavy-based pot over low heat.

  2. When butter starts to foam add onion and cook, stirring regularly, for 30 minutes or until deep golden. Sprinkle flour over the caramelised onions and stir for 2 minutes to cook the flour.

  3. Add the stock and bring to the boil. Reduce heat and simmer for 15 minutes, stirring once or twice. Remove from heat and season to taste with salt and pepper.

  4. While soup is cooking preheat griller to high and toast the bread on one side. Turn bread over, top with cheese and toast again until cheese is melted and golden.

  5. Divide soup across bowls, sprinkle with parsley and top with gruyere croutons. Serve immediately.

French Onion Soup Soupe a l'oignon | Stay At Home Mum

Tips from Manu: Keep a close eye on the onions as they cook so they don’t catch and burn. If they are sticking too much you can remove the pan from the heat, cover and let stand 5 mins “” the steam will loosen the onions so you can continue to cook them.

The Sauce by Manu is available at selected Woolworths stores (RRP$5)

About Author

Manu Feildel

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