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Creamy Leek, Potato and Mustard Filo Pie

Creamy Leek, Potato and Mustard Filo Pie

with Roasted Tenderstem® Broccoli and Peas
4.0(446)
Recipe Development Team
Recipe Development TeamUpdated on March 31, 2026
Calories
623 kcal
Protein
21.1g protein
Total
40 minutes
Difficulty
Medium
Allergens:
  • Soya
  • Cereals containing gluten
  • Celery
  • Mustard
Produced in a facility that processes eggs, milk, fish, peanuts, sesame, shellfish, soy, tree nuts, and wheat.
serving amount

½ pack(s)

Filo Pastry Sheets

(Contains: Soya, Cereals containing gluten)

1 unit(s)

Baking Potato

1 unit(s)

Leek

150 grams

Tenderstem® Broccoli

2 unit(s)

Garlic Clove

1 bunch(es)

Chives

1 carton(s)

Single Soya Plant-Based Alternative

(Contains: Soya)

15 grams

Vegetable Stock Paste

(Contains: Celery)

17 grams

Wholegrain Mustard

(Contains: Mustard)

120 grams

Peas

Not included in your delivery

50 milliliter(s)

Water for the Sauce

Energy (kcal)623 kcal
Energy (kJ)2607 kJ
Fat21.2 g
of which saturates2.8 g
Carbohydrate86 g
of which sugars15.3 g
Dietary Fibre14.9 g
Protein21.1 g
Salt3.2 g
Always refer to the product label for the most accurate ingredient and allergen information.
Medium Saucepan
Kettle
Garlic Press
Pan
Oven dish
Colander
Baking Tray

Instructions

Boil the Potatoes
1

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

Remove the filo pastry (see ingredients for amount) from the fridge to allow it to come up to room temperature. Remove the pastry from the packet and lay flat on the counter, covered with a damp tea towel.

Cut the potato into 1cm chunks (no need to peel). Pour the boiled water into a saucepan with 1/2 tsp salt and bring back to the boil on high heat. Add the potatoes and simmer until just tender, 8-10 mins.

Prep the Veg
2

Meanwhile, trim and discard the root and the dark green leafy part from the leek. Halve lengthways and thinly slice. Halve any thick broccoli stems lengthways.

Peel and grate the garlic (or use a garlic press). Finely chop the chives (use scissors if easier).

Make the Sauce
3

Place a large frying pan on medium-high heat with a drizzle of oil. When hot, add the leek and fry until softened, 4-5 mins.

Add the garlic and fry until fragrant, 1 min. Add the single soya, vegetable stock paste, wholegrain mustard, half the chives and the water (2p: 50ml / 4p: 100ml). Stir to combine and simmer, 2-3 mins, then stir through the peas. 

Bake the Pie
4

When the potatoes have finished cooking, drain in a colander, then stir them through the creamy leek sauce. Season with salt and pepper. Transfer to a medium ovenproof dish.

Halve the filo pastry sheets (see ingredients for amount) to make squares. Scrunch each pastry square into a very loose ball and place on top of the filling. Repeat until the whole dish is covered. Drizzle the pie with oil and bake on the top shelf of your oven until the filo is golden, 10-15 mins.

Roast the Tenderstem®
5

Meanwhile, put the Tenderstem® broccoli onto a baking tray and drizzle with oil. Season with salt and pepper. Toss to coat, then spread out in a single layer.

Roast on the middle shelf until tender and crispy, 10-12 mins.

If you’d prefer to, when the pie has 3-5 mins remaining, boil your broccoli until tender, 3-5 mins. Season with salt and pepper.

Serve
6

Share the creamy leek, potato and mustard filo pie between your plates and garnish with the remaining chives. Serve with the roasted Tenderstem® broccoli alongside.

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