Sunday Mushroom and Leek Pie

Highlighted under: Heartfelt Kitchen

I adore the cozy comfort that a homemade pie brings to our family Sunday dinners, especially when it features earthy mushrooms and sweet leeks. This Sunday Mushroom and Leek Pie is my go-to dish, as it combines lovely buttery pastry with a rich, savory filling that's both hearty and satisfying. I find that the earthy flavors of the mushrooms paired with the sweetness of the leeks create a dish that is not only delicious but also feels like a warm hug on a chilly day. Plus, it's a great way to use up leftover ingredients!

Adeline Morris

Created by

Adeline Morris

Last updated on 2026-01-12T03:34:17.904Z

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My love for mushrooms runs deep, and when I first decided to create a pie that celebrates their flavor, I knew leeks would be the perfect partner. I took my time to caramelize the leeks just right, which enhances their natural sweetness and complements the umami of the mushrooms. Timing is essential; let them soften in the pan before adding the mushrooms for a filling that's beautifully layered.

One of my tricks is to add a hint of thyme and a splash of white wine to the filling; it lifts the entire dish and brings all the flavors together wonderfully. I recommend letting the pie rest for a few minutes before slicing; it makes serving so much easier. Trust me, this pie will be the star of your Sunday dinner!

Why You'll Love This Pie

  • Rich, earthy flavors from the mushrooms and leeks
  • Buttery, flaky crust that's easy to make
  • Hearty and satisfying—perfect for gatherings

Creating the Perfect Pie Crust

The pie crust is what elevates this Sunday Mushroom and Leek Pie from good to unforgettable. To achieve that light and flaky texture, ensure your butter is very cold before mixing it with the flour. If your kitchen is warm, consider chilling your flour for 15 minutes before combining. When mixing the butter into the flour, aim for pea-sized pieces to keep the crust tender and flaky after baking.

After mixing the dough, it's crucial to let it rest in the refrigerator for at least 30 minutes. This rest period helps the gluten relax, producing a crust that won’t shrink during baking. When rolling out the dough, keep it lightly floured, and use a rolling pin to work from the center outward, turning the dough a quarter turn after each roll to maintain a circle.

Perfecting the Filling

The combination of mushrooms and leeks in this pie creates a wonderful, earthy flavor base. Leeks, with their sweet, onion-like taste, add depth to the filling, while the mushrooms provide a meaty texture. Be sure to take your time cooking the onions and leeks until they are translucent—this usually takes about 5-7 minutes. This initial step is crucial for developing their sweetness, balancing the dish's flavor.

When adding the sliced mushrooms, ensure they are spread evenly in the pan. This guarantees even cooking and prevents moisture from pooling. A tip I recommend: don’t overcrowd the skillet, as that can cause the mushrooms to steam instead of sauté, resulting in a less flavorful filling. If needed, cook in batches and then combine them in the final step for an evenly savory filling.

Baking and Serving Suggestions

Once assembled, the pie should bake until the crust is golden brown, typically about 30-40 minutes. Keep an eye on it during the last few minutes of baking; rotating the pie can help achieve an even golden color. If the edges start to brown too quickly, cover them with strips of aluminum foil to prevent burning while the center continues to bake.

This pie is an excellent candidate for leftovers and can be easily reheated. To keep the crust flaky, reheat in an oven at 350°F (175°C) for about 15 minutes. Alternatively, if you're looking to prepare ahead, you can freeze the assembled pie before baking. Just wrap it tightly in plastic wrap and foil; it can be stored for up to 3 months. Bake from frozen, allowing an extra 10-15 minutes in the oven.

Ingredients

Gather these ingredients to make your pie filling and crust.

For the Pie Crust

  • 2 1/2 cups all-purpose flour
  • 1 cup unsalted butter, chilled and diced
  • 1/4 cup cold water
  • 1/4 teaspoon salt

For the Filling

  • 1 tablespoon olive oil
  • 1 onion, chopped
  • 2 leeks, sliced
  • 2 cups mushrooms, sliced (cremini or button)
  • 1 teaspoon fresh thyme
  • 1/2 cup white wine
  • Salt and pepper to taste
  • 1 cup heavy cream
  • 1 egg, beaten (for egg wash)

Make sure to check you have everything ready before you start cooking!

Instructions

Follow these steps to create a delicious mushroom and leek pie.

Make the Pie Crust

In a large bowl, mix the flour and salt together. Add the chilled butter and use a pastry cutter or your fingers to mix until it resembles coarse crumbs. Gradually add cold water, mixing until the dough forms. Wrap in plastic wrap and refrigerate for 30 minutes.

Prepare the Filling

In a skillet, heat the olive oil over medium heat. Add the chopped onion and sliced leeks, cooking until softened. Then add the sliced mushrooms and thyme, stirring occasionally. Once mushrooms are tender, pour in the white wine and cook until the liquid has evaporated. Season with salt, pepper, and mix in the heavy cream.

Assemble the Pie

Preheat the oven to 375°F (190°C). Roll out the pie crust and line a pie dish. Fill with the mushroom and leek mixture. Roll out a second crust for the top, cut slits to allow steam to escape, and place it over the filling. Brush the top with beaten egg.

Bake the Pie

Bake in the preheated oven for 30-40 minutes or until the crust is golden brown. Allow to cool for a few minutes before slicing and serving.

Enjoy your homemade Sunday delight!

Pro Tips

  • Let the pie sit for a few minutes after baking to help the filling set. Serve warm with a side salad for a delightful meal.

Ingredient Substitutions

If you're looking to adapt this recipe for dietary preferences, dairy-free alternatives can be easily incorporated. Substitute the heavy cream with coconut cream or a plant-based cream for a rich texture without the dairy. Additionally, if you're unable to find leeks, you can use sweet onions as a suitable substitute. Just be sure to adjust cooking time slightly, as onions may take a little longer to soften than leeks.

For a protein boost or broader flavor profile, consider adding cooked lentils or beans to the filling mixture. This infusion not only makes the pie heartier but also adds nutritional value. If you enjoy a kick of heat, a pinch of red pepper flakes or a splash of hot sauce can elevate the savory filling splendidly.

Serving and Pairing Ideas

This Mushroom and Leek Pie pairs beautifully with a simple green salad, lightly dressed with vinaigrette to cut through the richness of the filling. Roasted vegetables, such as carrots or Brussels sprouts, can complement the earthy flavors of the pie wonderfully. A glass of crisp white wine could also enhance your dining experience, making it feel like a special occasion.

For added flavor, consider serving the pie with a dollop of crème fraîche or a side of mushroom gravy. This enhances the creaminess and complements the savory notes beautifully. Whether serving at a family dinner or a cozy gathering with friends, this pie promises to be a comforting centerpiece.

Questions About Recipes

→ Can I make this pie ahead of time?

Yes, you can prepare the filling and crust a day in advance. Store them separately in the fridge until ready to assemble and bake.

→ What type of mushrooms works best?

Cremini and button mushrooms work well, but you can also experiment with shiitake or oyster mushrooms for added flavor.

→ Can I use a store-bought pie crust?

Absolutely! Using a store-bought crust can save time; just make sure it’s thawed and ready to use.

→ What should I serve with this pie?

This pie pairs beautifully with a simple green salad or roasted vegetables for a complete meal.

Sunday Mushroom and Leek Pie

I adore the cozy comfort that a homemade pie brings to our family Sunday dinners, especially when it features earthy mushrooms and sweet leeks. This Sunday Mushroom and Leek Pie is my go-to dish, as it combines lovely buttery pastry with a rich, savory filling that's both hearty and satisfying. I find that the earthy flavors of the mushrooms paired with the sweetness of the leeks create a dish that is not only delicious but also feels like a warm hug on a chilly day. Plus, it's a great way to use up leftover ingredients!

Prep Time20 minutes
Cooking Duration40 minutes
Overall Time60 minutes

Created by: Adeline Morris

Recipe Type: Heartfelt Kitchen

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

For the Pie Crust

  1. 2 1/2 cups all-purpose flour
  2. 1 cup unsalted butter, chilled and diced
  3. 1/4 cup cold water
  4. 1/4 teaspoon salt

For the Filling

  1. 1 tablespoon olive oil
  2. 1 onion, chopped
  3. 2 leeks, sliced
  4. 2 cups mushrooms, sliced (cremini or button)
  5. 1 teaspoon fresh thyme
  6. 1/2 cup white wine
  7. Salt and pepper to taste
  8. 1 cup heavy cream
  9. 1 egg, beaten (for egg wash)

How-To Steps

Step 01

In a large bowl, mix the flour and salt together. Add the chilled butter and use a pastry cutter or your fingers to mix until it resembles coarse crumbs. Gradually add cold water, mixing until the dough forms. Wrap in plastic wrap and refrigerate for 30 minutes.

Step 02

In a skillet, heat the olive oil over medium heat. Add the chopped onion and sliced leeks, cooking until softened. Then add the sliced mushrooms and thyme, stirring occasionally. Once mushrooms are tender, pour in the white wine and cook until the liquid has evaporated. Season with salt, pepper, and mix in the heavy cream.

Step 03

Preheat the oven to 375°F (190°C). Roll out the pie crust and line a pie dish. Fill with the mushroom and leek mixture. Roll out a second crust for the top, cut slits to allow steam to escape, and place it over the filling. Brush the top with beaten egg.

Step 04

Bake in the preheated oven for 30-40 minutes or until the crust is golden brown. Allow to cool for a few minutes before slicing and serving.

Extra Tips

  1. Let the pie sit for a few minutes after baking to help the filling set. Serve warm with a side salad for a delightful meal.

Nutritional Breakdown (Per Serving)

  • Calories: 450 kcal
  • Total Fat: 30g
  • Saturated Fat: 15g
  • Cholesterol: 160mg
  • Sodium: 320mg
  • Total Carbohydrates: 37g
  • Dietary Fiber: 2g
  • Sugars: 2g
  • Protein: 8g