Onion fondue


Onion fondue
Onion fondue is a delicious classic of French cuisine: finely-sliced onions, cooked long and slow until they are melting and caramelized.

This can be used in many other recipes.
126K 43 4.0
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Last modified on: March 25th 2020

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For 250 g, you will need:

Change these quantities to make: 250 g 500 g 1 kg 1 kg 500 g
How long does it take?
Time required for this recipe:
PreparationCookingStart to finish
8 min.42 min.50 min.
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Step by step recipe


Stage 1 - 7 min.
Onion fondue
Prepare 500 g onion and slice finely.

This might look like a lot, but with the long, slow cooking, the weight will reduce by about half.

Stage 2 - 2 min.
Onion fondue
Using a pan that is not non-stick, melt together 2 tablespoons oil and 10 g butter on high heat.

Add 1 bayleaf and 1 sprig thyme, and stir round for a few seconds.

Stage 3 - 1 min.
Onion fondue
Add the sliced onions, mix well, but do not salt.

Turn the heat down to its lowest and leave to cook gently uncovered, stirring every 5 minutes or so.

Stage 4 - 40 min.
Onion fondue
Each time you stir, remember to scrape the bottom of the pan to mix in the cooking juices that the onions will create, so that gradually...

Stage 5
Onion fondue
...they will take on the desired colour and consistency.

At about halfway, you can remove and discard the thyme and bayleaf.

Stage 6
Onion fondue
Once the onions have reached this colour (I like them really well caramelized), take off the heat, salt and pepper, then check the seasoning.

Stage 7
Onion fondue
Your onion fondue is ready for use in any recipe you like.
Remarks
You will notice how the long cooking really brings out the onions' slightly sweet flavour, so do salt quite generously at the end of cooking.

It is important not to use a non-stick pan, as a conventional metal pan helps the onions to stick and create the cooking juices. These should be scraped off the bottom frequently and mixed in.

You can use clarified butter instead of the mix of oil + butter, or just normal butter, but take care not to let it burn.
Keeping
Several days in the fridge, covered with plastic film.
Source
Home made.
Nutritional information
Whole recipe
Energetic valueProteins CarbohydratesFats
551 Kcal or 2,307 Kj7 gr45 gr38 gr
28 %3 %4 %6 %
Per 100 g
Energetic valueProteins CarbohydratesFats
102 Kcal or 427 Kj1 gr8 gr7 gr
5 %<1 %1 %1 %
% are calculated relative to a Recommended Dietary Intake or RDI of 2000 k-calories or 8400 k-joules by day for a woman (change to a man).
Possible allergens in this recipe: Milk
How much will it cost?
  • For 250 g : 1.51 €

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Note: Be careful, these prices are only an estimate, you can consult the table of prices by ingredients used for this estimate.

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See all recipes that use it
This recipe uses (among others)
OnionOnion: You can get more informations, or check-out other recipes which use it, for example: Couscous, Spaghetti with mussels and basil, Mexican ceviche, Artichoke hearts forestier , Potatoes with prawns, ... All
ButterButter: You can get more informations, or check-out other recipes which use it, for example: Sauce Normande (for fish), Potato and broccoli gratin, Rosemary steamed fish, Chocolate mousse, Chocolate cake, ... All
OilOil: You can get more informations, or check-out other recipes which use it, for example: Morteau sausage, Rémoulette dressing, Chicken and mushroom brik rolls, Spinach and cashew brik rolls, Tournedos Rossini, ... All
BayleafBayleaf: You can get more informations, or check-out other recipes which use it, for example: Chicken "cantina", Beef braised in reduced red wine, Auvergne gratin, Spicy seafood plancha, Fish in white wine, ... All
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