Tagliatelle with creamy pesto leeks and cod is a perfect weekday meal. Ready within half an hour. Leek and fish is a classic combination, and this dish proofs it!
This recipe contains the following allergens. Click on the allergen to search for alternative recipes.
Made by Véronique
Published at 2018-03-14, this recipe is for 4 persons and takes 30 minutes.
Founder of Ohmydish (since 2014), she prefers to spend all day in the kitchen. Once working in the hospitality industry as an independent chef, she loves helping you gain confidence in the kitchen. With her easy-to-follow recipes, handy tips, and cooking knowledge, you'll make the most delicious dishes yourself! The recipes are accessible to everyone, from beginners to advanced home cooks.
Updated at: 2025-09-20
Fill a medium-sized and a large pan with water and salt and bring them both to a boil. Meanwhile chop the leeks into pieces, not too big. Add the chopped leek to a colander and rinse them well.
Cook the tagliatelle in a large pan, use a fork to loosen up the tagliatelle nests. Cook the chopped leeks about 5 minutes in the medium-sized pan.
Place the colander on top of a large bowl, this way you can separate the liquid without the solids. Set the cooked leek aside and measure about 300 ml of the liquid and set that aside too.
Melt 40 gram butter in the medium-sized pan and add flour all at once to create a roux. Gradually add the leek liquid and keep on stirring with a whisk. As soon as the sauce is smooth, it will also thicken.
Add pesto, cream and crème fraîche and if that's smooth again you can also add the cooked leek. Meanwhile heat butter or oil in a large skillet.
If you'd like you can coat the fish fillets with a layer of flour first before you cook them for a few minutes on both sides. Season the leek-pesto with pepper and salt.
Drain the tagliatelle and serve with sauce and cod fillet. Enjoy!
Per 1 serving / piece:
| Amount | Ingredient | Allergens | Kcal | Carbs | Carbs of which sugars | Fat | Fat of which saturated | Protein | Fibers | Sodium | Iron | Calcium | Magnesium | Potassium | Phosphorus | Copper | Zinc | Iodine | Selenium | Vitamin C | Vitamin D | Vitamin A | Vitamin B1 | Vitamin B2 | Vitamin B6 | Vitamin B12 | Vitamin B11 | Vitamin E | Vitamin K | Vitamin K1 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.5 | leeks | 13.50 | 1.90 g | 0.10 g | - | - | 0.75 g | 1.70 g | 5.00 mg | 0.25 mg | 30.00 mg | 7.50 mg | 200.00 mg | 15.00 mg | 0.05 mg | 0.15 mg | - | - | 5.00 mg | - | 0.02 mg | 0.05 mg | 0.03 mg | 0.06 mg | - | 30.00 µg | - | - | - | ||
| 0.75 | tablespoon | pesto | milk, sesame seeds | 30.45 | 0.51 g | 0.22 g | 4.58 g | 0.81 g | 0.59 g | 0.45 g | 167.25 mg | 0.44 mg | 17.70 mg | 7.80 mg | 67.50 mg | 18.15 mg | 0.06 mg | 0.17 mg | - | 0.63 µg | 0.60 mg | - | 85.50 mg | 0.03 mg | 0.05 mg | 0.05 mg | - | 3.30 µg | 0.74 mg | 27.45 µg | - |
| 1 | cod fillets | fish | 93.60 | - | - | 0.91 g | 0.13 g | 21.32 g | - | 87.10 mg | 0.52 mg | 20.80 mg | 32.50 mg | 494.00 mg | 344.50 mg | - | 0.65 mg | 247.00 µg | - | - | - | 0.14 mg | 0.16 mg | 0.20 mg | 0.20 mg | 2.60 µg | 10.40 µg | - | - | - | |
| 1 | tablespoon | crème fraîche | milk | 67.20 | 0.40 g | 0.10 g | 7.20 g | 4.20 g | 0.50 g | - | 5.00 mg | - | 14.00 mg | 2.00 mg | 20.00 mg | 12.00 mg | - | 0.04 mg | - | - | 0.20 mg | 0.18 mg | 0.06 mg | - | 0.02 mg | - | 0.04 µg | 0.40 µg | - | - | - |
| 25 | ml | cream | milk | 84.25 | 0.70 g | 0.70 g | 9.00 g | 5.00 g | 0.50 g | - | 8.75 mg | - | 18.75 mg | 2.50 mg | 23.75 mg | 15.00 mg | - | 0.05 mg | - | - | 0.25 mg | 0.23 mg | 0.09 mg | 0.01 mg | 0.03 mg | 0.01 mg | 0.05 µg | 0.75 µg | - | - | - |
| 10 | gram | dairy butter | milk | 73.50 | 0.07 g | 0.07 g | 8.25 g | 5.40 g | 0.07 g | - | 0.50 mg | 0.01 mg | 1.30 mg | 0.20 mg | 1.50 mg | 2.00 mg | - | 0.01 mg | - | - | - | 0.12 mg | 0.10 mg | - | - | - | - | - | - | - | - |
| 12.5 | gram | all-purpose flour | gluten | 45.50 | 8.73 g | 0.19 g | 0.19 g | 0.03 g | 1.43 g | 0.35 g | 0.25 mg | 0.13 mg | 2.50 mg | 2.50 mg | 22.50 mg | 12.50 mg | 0.04 mg | 0.14 mg | - | - | - | - | - | 0.02 mg | 0.01 mg | 0.04 mg | - | 4.38 µg | - | - | - |
| pepper and salt | 4.39 | 1.13 g | 0.01 g | 0.06 g | 0.02 g | 0.18 g | 0.44 g | 339.13 mg | 0.09 mg | 4.00 mg | 1.33 mg | 11.09 mg | 1.51 mg | 0.01 mg | 0.01 mg | 0.52 µg | 0.02 µg | 1.34 mg | - | - | - | - | 0.01 mg | - | 0.18 µg | 0.08 mg | 2.86 µg | - | |||
| 412.39 | 13.44 g | 1.39 g | 30.18 g | 15.59 g | 25.33 g | 2.94 g | 612.98 mg | 1.43 mg | 109.05 mg | 56.33 mg | 840.34 mg | 420.66 mg | 0.16 mg | 1.21 mg | 247.52 µg | 0.65 µg | 7.39 mg | 0.53 mg | 85.91 mg | 0.26 mg | 0.33 mg | 0.35 mg | 2.69 µg | 49.40 µg | 0.81 mg | 30.31 µg | - | ||||
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