Salmon, Tomato & Leek Pie with Creamy Mash Topping

Salmon, Tomato & Leek Pie with Creamy Mash Topping

Sustainably-sourced salmon, simmered with mustardy leeks and juicy tomatoes. Add spinach for extra goodness, then top with creamy, mashed potatoes and fresh dill. This twist on a fish pie is the ideal winter warmer.

High protein Low sat fat

Serving size

Cook time: 40 mins
Cuisine: British
Food group: Fish
Allergens: Fish, Mustard, Nuts

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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

  • Bring a large saucepan filled with salted water to a boil
  • Pull out a sieve, a masher, a large frying pan, a measuring jug, a peeler & an ovenproof dish

Make the mash

  • Peel and roughly chop the potatoes into 3cm, then add to the saucepan of boiling water. Simmer for 15-18 mins, until soft, then drain
  • Return to the pan and mash with 1 tsp oil and a pinch of salt and pepper

Prep time

  • Meanwhile, trim and slice the leeks into 1cm half-moons. Halve the tomatoes. Roughly chop the dill. Halve the lemon

Build the filling

  • Heat the large frying pan with 2 tsp oil on medium heat. Once hot, add the leek and cook for 4-5 mins, then add the tomatoes and cook for a further 2 mins, until softened
  • Add the cream, mustard, stock powder, half the dill and 150 ml water. Add the diced salmon and simmer for 13 mins, until the sauce has thickened slightly
  • Turn the grill to high (240C)

Time to grill

  • Rinse the spinach and add to the pan. Simmer for a final 1 min, until the spinach is wilted and the salmon is cooked through
  • Squeeze in the juice from half the lemon and season with salt and pepper. Transfer the mixture to the ovenproof dish
  • Stir the remaining dill into the mash. Top the filling with the mash and spread evenly. Use a fork to scrape lines onto the topping
  • Grill for 8-10 mins, until golden

Plate up

  • Check your fish is cooked through; it should be steaming hot, opaque and separate easily with a fork
  • Serve the salmon pie onto plates. Garnish with the remaining lemon, cut into wedges

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