Posted by: marthabernie | September 22, 2015


Another thing which people think is complicated to make is French Onion Soup.  It’s not difficult at all, and this recipe makes it really simple!  The ingredients are listed in metric measures, so get out your conversion chart!

FRENCH ONION SOUP (Soupe a l’oignan)

60 grams unsalted butter

3 tablespoons olive oil

800 grams onions, sliced

2 tablespoons sugar

2 tablespoons flour

1.5 litres beef stock

8 slices day old French bread, lightly toasted

100 grams Gruyere cheese, grated

salt and black pepper

In a large heavy saucepan, heat the butter and oil over a low heat.  Add the onions and cook for 30 minutes until the onions are soft.  Sprinkle in the sugar and continue cooking for a further 30 minutes, stirring frequently until the onions have turned an even and deep golden brown  Stir in the flour, cook for one minute and then gradually stir in the beef stock with a wooden spoon.  Bring the stock to the boil and simmer for 40 minutes.  Season with salt and pepper.

Divide the soup between four heated soup bowls.  Place the lightly toasted French bread on top of the soup and sprinkle each one with cheese.  Place under a hot grill or broiler until the cheese turns golden brown and bubbly.  Serve immediately.




  1. One of my favourites as a kid. They’re almost impossible to find outside the States (at least in good condition) but when I’m here I sometimes use Vidalia onions just to make it different. You’d think it would be too sweet, but it’s not. Maui onions work too. But the traditional form is still the best; thanks.


  2. It reminds me of when I was in Paris and had my first soup à l’oignon… I can still feel the taste in my mouth! Thanks for showing that it’s easier to make than we think! 🙂


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