Lentil & Mushroom Pie with Mustard Mash & Tenderstem Broccoli

Serving size

Vegan 1/3 daily fibre 5 plants Low sat fat

Lentil & Mushroom Pie with Mustard Mash & Tenderstem Broccoli

Prep time: 20 mins
Total time: 40 mins
Cuisine: British
Food group: Vegan

You'll cook up some classic flavours in this warming pie. Creamy lentils and earthy mushrooms transform into a satisfying stew, studded with carrot and leek. Top with a mustard mash and bake till golden and bubbling. It's the ultimate vegan winter warmer.

Cooking Instructions

The protein cooking time listed in this recipe has been updated.

As of December 2025, we've revised cooking times for all our proteins to reflect improved food safety guidance.

Check out the latest recommended times in our Cooking Guidelines.

Before you start

  • Line a baking tray with silver foil
  • Bring a medium saucepan filled with salted water to a boil
  • Pull out a large frying pan, a medium baking dish, a peeler, a sieve, a masher & a measuring jug

Get started

  • Peel and dice the potatoes into 3cm chunks. Add the potatoes to the saucepan and simmer for 15-18 mins, until soft, then drain and return to the pan
  • Meanwhile, trim and thinly slice the leek into 1/2cm half-moons. Finely chop or crush the garlic. Thinly slice the mushrooms. Trim the broccoli

Start the filling

  • Heat the large frying pan with 1 tbsp olive oil on medium-high heat. Once hot, add the mushrooms and cook for 3-4 mins, until starting to brown. Add the leek and cook for another 4-5 mins, until soft and golden. Season with salt and pepper
  • Add the garlic and tomato puree and cook for another 1 min

Simmer the filling & make the mash

  • Drain and rinse the lentils, then stir into the pan, along with the gravy and 150ml hot water (75ml for 1 person). Bring to a boil, then simmer for 3-4 mins, until the sauce is thick and coating the lentils. Season with salt and pepper
  • When ready, add 1 tbsp olive oil, half the mustard and a pinch of salt and pepper to the potato, then mash until smooth
  • Preheat the grill to high (240C)

Time to grill

  • Stir the remaining mustard and half the nutritional yeast into the lentils. Season to taste
  • Transfer the lentil mixture to the medium baking dish. Top with the mash and spread evenly. Use a fork to scrape lines onto the topping. Sprinkle over the nutritional yeast
  • Add the broccoli to the foil-lined tray and toss with 1 tsp olive oil, salt and pepper
  • Grill together for 8-10 mins, until the pie is bubbling and the broccoli is golden

Plate up

  • Share the mushroom lentil pie between plates, with the broccoli alongside

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