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Cheesy Mushroom and Leek Potato Pie on white plate with fork

Cheesy Mushroom and Leek Potato Pie

Cheesy Mushroom and Leek Potato Pie uses two types of cheese, a blue cheese in the sauce and grated cheddar in the fluffy mashed Potato topping, this makes a delicious meal the whole family can enjoy.
5 from 1 vote
Author: ND
Servings 4
PREP 20 minutes
COOK 25 minutes
Additional Time 40 minutes
TOTAL 1 hour 25 minutes

Ingredients
 

  • 4-5 large Potatoes
  • Extra unsalted butter to mash potatoes
  • 3-5 tablespoons Cheddar cheese
  • Milk, optional
  • 2 cups Chestnut Mushrooms, chopped
  • Olive oil for frying mushrooms
  • 2 tablespoons unsalted butter
  • 2 large leeks, cut into ½" slices
  • 2 tablespoons all purpose plain flour
  • cup Milk, we use semi-skimmed (half fat)
  • 3 ounces Stilton blue Cheese
  • Sea salt and freshly cracked black pepper to taste

Instructions
 

  • Pre-heat your oven to 180C/350F.
  • For the mashed Potatoes: Add the potatoes to a large pan of boiling water, salt as required.
  • Bring to the boil, then reduce the heat to a simmer.
  • Cook for around 15 minutes then check the potatoes with the tip of a knife to see if they are soft in the middle. Drain the water from the potatoes well.
  • Using a potato masher, start mashing to break down the potatoes.
  • Add butter and continue mashing, adding a little milk at a time to ensure a gorgeously smooth finish.
  • Season with sea salt and black pepper to taste.
  • Chop the mushrooms into small pieces.
  • Fry the mushrooms in the olive oil over a gentle heat until soft. Set aside.
  • Chop the leeks into ½" slices.
  • For the sauce: In a separate pan melt the butter and fry the leeks gently for around 5 minutes.
  • Add the flour to the pan, stir into the leeks until well coated. Cook for around a minute to cook out the flour.
  • Slowly add the milk and stir in well. Cook gently, stirring continuously until the sauce forms and thickens.Take the pan off the heat and add the mushrooms, stir in well.
  • Add the blue cheese and stir into the sauce until it gently melts through.
  • Place the mushroom, leek, cheese mixture into a suitably sized ovenproof dish.
  • Top with the mashed potato and smooth the top with a fork.
  • Bake in the oven for around 20 minutes until the potato topping is lightly browned.
  • Serve with steamed broccoli and carrots (or vegetables of your choice!)

Recipe Notes

Cheesy Mushroom and Leek Potato Pie can be prepared a day in advance and kept covered in the fridge.

*Make sure to scroll up and read the post for substitutions, additions and helpful tips for making this recipe.

Course Main Course
Cuisine American

*Nutritional data is provided as a courtesy and is accurate to the best of my knowledge. You can verify it using the nutrition calculator of your choice. All data is based on net carbs, without sugar alcohol: Swerve, Erythritol, Monk Fruit or Allulose.

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