Fish fillet with leeks and mustard cream
Fish fillets cooked on the side, to which a thinly sliced leek is added, gently cooked in a mustard cream.
894 5/5 (3 reviews)
40 min.
Easy
4 people
9 IngredientsLast modified on: May 11th 2025
4 
1 
400 g fish fillet
3 tablespoons 
30 g 
250 g 
2 tablespoons Mustard
Times for this recipe
Preparation: 25 min.
Cooking: 15 min.
All in all: 40 min.
If you start now, at , you will finish around : ?.Change start time
To finish around 7pm, you'll need to have started before: .Change end time
Step by step recipe
Stage 3 - 5 min.
Prepare 400 g fish fillet, remove all bones, dry on both sides with absorbing paper, then season with salt and pepper.
Stage 4 - 5 min.
In a frying pan over medium heat, pour 3 tablespoons olive oil and when hot, place the fish fillets.
Cook them on both sides, to taste, then place them on a plate.
Note: It doesn't matter if they break or fall apart, we'll use them like that afterwards.
Cook them on both sides, to taste, then place them on a plate.
Note: It doesn't matter if they break or fall apart, we'll use them like that afterwards.
Stage 5 - 1 min.
In the same pan, without cleaning it and still over medium heat, pour in 30 g butter and, when hot, add the shallot, salt and pepper.
Cook for 1 minute, stirring, without browning.
Cook for 1 minute, stirring, without browning.
Stage 6 - 3 min.
Add the leeks, season with salt and mix well.
Cover and cook for 3 minutes.
Cover and cook for 3 minutes.
Stage 7 - 3 min.
Uncover, then add 250 g liquid cream, stirring well, scraping the bottom of the pan to deglaze, and cook gently for 2 or 3 minutes.
Stage 8 - 2 min.
Add 2 tablespoons Mustard, mix again and check seasoning.
Stage 9 - 2 min.
Finally, add the fish and mix well.
Stage 10
Serve without waiting too long, or turn down the heat to a minimum, so as not to overcook the fish.
Remarks
You can use the fish of your choice, preferably in season.
For the mustard, you can use an "old-fashioned" mustard, the seeds adding a little extra taste and texture.
For the mustard, you can use an "old-fashioned" mustard, the seeds adding a little extra taste and texture.
Keeping: 1 or 2 days in the fridge, protected by cling film.
Source: Home made.
Nutritional information
| Proteins (gr) | Carbohydrates (gr) | Fats (gr) | Energy value (in k-calories) | Energy value (in k-joules) | |
|---|---|---|---|---|---|
| Whole recipe | 100 RDI=40 % | 80 RDI=8 % | 150 RDI=20 % | 2,030 RDI=100 % | 8,510 RDI: 100 % |
| Per 100 g | 5 RDI=2 % | 4 RDI=0 % | 8 RDI=1 % | 120 RDI=6 % | 510 RDI: 6 % |
| Per person | 20 RDI=9 % | 20 RDI=2 % | 40 RDI=6 % | 510 RDI=30 % | 2,130 RDI: 30 % |
How much will it cost?
- For 4 people : 7.35 €
- Per person : 1.85 €
Change currency: 
Note: Be careful, these prices are only an estimate, you can consult the table of prices by ingredients used for this estimate.
This recipe uses (among others)
Fish fillet
Like these other recipes: Cod loin with saffron, Fish terrine with spinach and tomatoes, Fisherman's Ragout, "Land and sea" kebabs, Firied fillet of sea bream with polenta, ... See them all 29
Liquid cream
Like these other recipes: Cream of cauliflower soup with smoked haddock , Cocotte eggs with Comté, Cockles and cabbage with smoky cream sauce, Smoky sausage and mash, Beurre blanc sauce, ... See them all 169
Butter
Like these other recipes: Salmon and Spinach Gratin, Baked apples from St Aubin le Vertueux, Breton galettes (pancakes), Chocolate and matcha tea biscuits, Brioche Tatin, ... See them all 466
Other recipes you may also like
Small cheese and bacon rolls
These small aperitif snacks can be prepared in advance and heated at the last minute, or served cold.September 7th 2018359 K5 1 hour 25 min.
Chaud-froid of grapefruit, pineapple and lime custard
Cold grapefruit quarters with slices of hot caramelized pineapple, lime custard (crème anglaise) and citrus crunch.December 20th 2010260 K4.5 2 hours 5 min.
Italian Meringue
Italian meringue is made with sugar cooked to 120°C or 248°F. This is different from the French, which is made from caster sugar. The cooked sugar gives a softer meringue which can be added to other preparations or use as it is.June 2nd 2015474 K4.3 30 min.
Buckwheat pancakes
Buckwheat pancakes (galettes de sarasin in French) are typical of Brittany and are often served as a savoury dish. They are made with buckwheat flour (a cereal-like seed which is gluten free).July 21th 2015177 K 24.3 15 min.
Swiss meringues
Swiss meringues are a variant of the classic French meringue. The eggs whites and sugar are beaten together in a bain-marie at first, then beaten stiff as normal. This makes for a firmer meringue which can be used to make small items or figures to decorate cakes or ice creams (such as mushrooms,...June 2nd 2015121 K3.8 1 hour 20 min.
News list of cooking-ez.com
Sign up to receive the latest recipes (next batch due to be sent on 2025-05-18)
Note: We'll never share your e-mail address with anyone else.
Post a comment or question
Follow this recipe
If you are interested in this recipe, you can "follow" it, by entering your email address here. You will then receive a notification immediately each time the recipe is modified or a new comment is added. Please note that you will need to confirm this following.
Note: We'll never share your e-mail address with anyone else.
Alternatively: you can subscribe to the mailing list of cooling-ez.com , you will receive a e-mail for each new recipe published on the site.