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.
6,654 4.8/5 (5 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: Nicholas's fish, Fillet of pollack cooked in two stages, Tahitian style fish, "Land and sea" kebabs, Fish Mousselines, ... See them all 29
Liquid cream
Like these other recipes: Chicken with spinach in a cream sauce , Apple and almond gratin, Eton mess, Chocolate cream with a crunch, irish coffee mousse, Spring veal sauté , ... See them all 170
Butter
Like these other recipes: Rillettes stuffed mushrooms, Panettone, Caramelized pear custard tart, Nanou's apple and almond cake, Spinach and cauliflower with sesame béchamel sauce, ... See them all 472
Leek
Like these other recipes: Hearty leek and sprout soup, Vegetable stock, Roasted leeks with pesto, Icelandic-style fish and vegetable pie, Fried bread with leek and poached egg , ... See them all 73
Other recipes you may also like
Mexican tart
This unusual tart features two star ingredients of South American cuisine: red kidney beans and avocado. The shortcrust pastry case is filled with a red bean and onion purée, then topped with sliced avocado dressed with lime and garnished with fresh coriander.December 30th 201972 K 1 hour 20 min.
Nanou's red cabbage salad
If you are used to the usual red cabbage salad (just cabbage in a vinaigrette), I hope you will be agreeably surprised with this more sophisticated version using herbs, diced Parmesan and fried croutons.November 22th 202038 K 30 min.
Hay-baked poultry
Cooking poultry in hay may seem strange, but it is a very simple method. The bird is just seasoned and cooked slowly for a long time with a large bunch of hay. During the slow cooking the poultry takes on the flavour of the hay, with its mix of grassy herbal and floral notes. This recipe is inspired...October 13th 202130 K 4 hours 25 min.
Little apple and verbena tarts
A sweetcrust pastry case, filled with a smooth verbena-flavoured diplomat cream, and topped with caramelised apples. You will see how well the caramelised apples and verbena go together.January 9th 202227 K 60 min.
Hamburgers
Hamburgers don't have to be the greasy flabby things you find in fast-food outlets, well-made they can be excellent. It's a very convivial recipe as everything goes on the table, and everyone assembles their own burger according to personal taste.December 6th 2015425 K4.8 35 min.
News list of cooking-ez.com
Sign up to receive the latest recipes (next batch due to be sent on 2025-07-13)
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.