French onion soup
A deep, richly flavored soup made with slowly caramelised onions, wine, finished with cheesy garlic croutons. Comforting, classic, and perfect for a cozy meal.
Updated : 27 November, 2025
Easy
About 20 min.
Ingredients
For the French onion soup
50 grams
Butter
1 kilograms
Onion
2
Garlic
100 milliliters
White wine
1 liter
Meat broth
to taste
Salt
to taste
Ground black pepper
pinch
Parsley
For the croûtons
8 slice
Baguette
2
Garlic
100 grams
Gruyère cheese
Table
Table of volume measurements:
- teaspoon - 5 ml
- dessert spoon - 10 ml
- tablespoon - 20 ml
- glass - 200 ml
Preparation
Step 1
Melt the butter in a medium-sized ovenproof pan. Add the sliced onions and chopped garlic and cook gently over low heat for 30-35 minutes, stirring occasionally, until the onions become very soft and turn a rich, dark brown. This slow caramelisation is essential - it gives the soup its depth of flavour and colour.
Step 2
Pour in the wine, scraping the bottom of the pan to lift all the browned bits. Bring to the boil, then add beef stock.
Step 3
Return to the boil and simmer for 10-12 minutes.
Step 4
Meanwhile, prepare the croutons. Toast the bread on both sides, rub with the cut garlic clove, top with grated cheese, and place under the grill until the cheese has melted.
Step 5
Taste the soup and adjust the seasoning with salt and freshly ground black pepper. Stir well.
Step 6
Lay the cheesy croutons on top of the soup and scatter over some chopped fresh parsley.
Step 7
To serve, ladle the soup into bowls, making sure each portion includes a cheesy crouton. Serve immediately before the croutons soften too much.
Author note
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