French Onion Soup
The Parisian classic — deeply caramelised onions in a rich beef broth, topped with a crusty croûton and bubbling Gruyère.
Ingredients
- 2 large onions, thinly sliced
- 30 gm butter
- 1 tspn sugar
- 1 clove garlic, crushed
- 2 tbspn brandy or dry sherry (optional)
- 300 ml beef stock
- 1 bay leaf
- 1 sprig fresh thyme
- Salt and pepper
- 1 thick slice of crusty bread or baguette
- 40 gm Gruyère or Emmental, grated
Method
- 1
Melt the butter in a heavy saucepan over a very low heat. Add the onions and sugar and cook, stirring occasionally, for until deeply golden and caramelised.
- 2
Add the garlic and cook for . Add the brandy if using and stir.
- 3
Pour in the stock, add the bay leaf and thyme, and simmer for . Season well.
- 4
Pour the soup into an ovenproof bowl. Float the bread on top and pile on the grated cheese.
- 5
Grill under a high heat for 3– until the cheese is bubbling and golden.
Notes
- The 40 minutes of low, slow onion cooking is non-negotiable — it creates all the flavour.
- Use a good quality beef stock for the best result.
- A dry white wine can replace the brandy.