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Roasted Chicken Thighs and Cheesy Leek Sauce

Roasted Chicken Thighs and Cheesy Leek Sauce

with Asparagus and Mash
Recipe Development Team
Recipe Development TeamUpdated on March 05, 2026
Calories
786 kcal
Protein
55g protein
Total
20 minutes
Difficulty
Easy
Allergens:
  • Milk
  • Egg
Produced in a facility that processes eggs, milk, fish, peanuts, sesame, shellfish, soy, tree nuts, and wheat.
serving amount

450 grams

Potatoes

2 unit(s)

Garlic Clove

4 unit(s)

British Chicken Thighs

1 sachet(s)

Mixed Herbs

150 grams

Asparagus

1 unit(s)

Leek

75 grams

Creme Fraiche

(Contains: Milk)

10 grams

Chicken Stock Paste

20 grams

Grated Hard Italian Style Cheese

(Contains: Milk, Egg)

Not included in your delivery

50 milliliter(s)

Water for the Sauce

Energy (kJ)3289 kJ
Energy (kcal)786 kcal
Fat42.1 g
of which saturates17.2 g
Carbohydrate53.4 g
of which sugars8.5 g
Dietary Fibre9.1 g
Protein55 g
Salt2.4 g
Always refer to the product label for the most accurate ingredient and allergen information.
Garlic Press
Kettle
Large Saucepan
Baking Tray
Potato Masher
Colander
Lid
Pan

Instructions

Cook the Potatoes
1

a) Preheat your oven to 220°C/200°C fan/gas mark 7. Boil a full kettle. 

b) Chop the potatoes into 2cm chunks (no need to peel). 

c) Pour the boiled water from your kettle into a large saucepan with 1/2 tsp salt on high heat. Add the potatoes to the water and cook until you can easily slip a knife through, 15-18 mins. 

d) Meanwhile, peel and grate the garlic (or use a garlic press). Trim the bottom 2cm from the asparagus and discard.

Chicken and Asparagus Time
2

a) Once the oven is hot, lay the chicken thighs flat onto a baking tray. Drizzle with oil, season, then rub in the mixed herbs and half the garlic. Put the asparagus on the other side of the baking tray, drizzle with oil, season, then toss to coat.

b) Roast on the middle shelf of your oven until the chicken cooked through, 10-12 mins. IMPORTANT: Wash your hands and equipment after handling raw chicken and its packaging. It's cooked when no longer pink in the middle.

Make your Mash
3

a) Once the potatoes are cooked, drain in a colander. Return them to the pan, off the heat. 

b) Add a knob of butter and a splash of milk (if you have any) and mash until smooth.

c) Season with salt and pepper. Cover with a lid to keep warm.

Get Frying
4

a) Trim the root and dark green leafy part from the leek and discard. Halve lengthways, then thinly slice.

b) Heat a drizzle of oil in a large saucepan on medium-high heat.

c) Once hot, add the leek and season with salt and pepper. Cook, stirring occasionally, until softened, 4-6 mins.

d) Add the remaining garlic and cook for 1 min.

Bring on the Cheesy Sauce
5

a) Stir the creme fraiche, chicken stock paste and water for the sauce (see pantry for amount) into the leeks. Simmer until thickened, 2-3 mins. 

b) Stir through the Italian style cheese until melted. Taste the sauce and season with salt and pepper if needed. Add a splash of water if it's a little too thick.

Serve Up
6

a) When ready, share the chicken thighs between your plates. Spoon over the cheesy leek sauce.

b) Serve with the mash and asparagus alongside. 

Enjoy!

Customer reviews

Review summary

Updated on Feb 2026
  • Flavour: The cheesy leek sauce was particularly delicious, adding a tasty dimension to the dish.
  • Ease of prep: Many found this recipe easy to put together, though some noted it involved several steps.
  • Suggestions: Consider extending the chicken cooking time to 18 minutes for thorough cooking; add extra sauce for more flavour.
  • Portions: Some felt the chicken portion was small, especially when serving four; there's plenty of potato to fill up on.
AI-generated from customer reviews

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