Creamy Leek Mushroom Mini Pies

Category: Satisfying Main Courses for Every Occasion

Enjoy individual pies brimming with sautéed leeks, tender mushrooms, and Gruyère, all wrapped in golden, flaky pastry. This vegetarian favorite is full of savory flavor, thanks to fresh thyme, creamy filling, and nutty cheese. Perfect for entertaining, picnics, or an elegant snack, these mini pies bake up crisp and golden, holding their luscious filling inside. Serve warm for the most melt-in-your-mouth experience, with the aroma of buttery pastry and fragrant herbs filling your kitchen.

Loura is a chef and she is standing in front of a table full of fruits and vegetables.
Updated on Sat, 19 Jul 2025 11:33:18 GMT
A close up of a mushroom and cheese filled pastry. Save
A close up of a mushroom and cheese filled pastry. | recipesfoodyummy.com

Creamy leek and mushroom mini pies capture that dreamy blend of comfort and elegance—the kind of meal that brightens a weeknight or sparks happy chatter at a weekend brunch. They pack all the flavor and richness you crave, without a hint of meat, and that golden pastry shell always wins hearts.

When I want to impress vegetarians and omnivores alike, this is my ace. I remember making these for a cozy Saturday lunch, and they vanished quicker than anything else on the table.

Ingredients

  • Butter: Choose full-fat butter for rich flavor and browning
  • Olive oil: Enhances savoriness and keeps the butter from over-browning
  • Leek: Adds gentle sweetness and fragrance Slice thin and wash well to remove hidden grit
  • Cremini mushrooms: Use fresh and firm ones for the most depth of flavor Chop finely for a balanced bite
  • Garlic: Brings an aromatic punch Fresh is key
  • Thyme: Fresh sprigs are best but dried works in a pinch Adds herbal complexity
  • All-purpose flour: Thickens the filling so it stays creamy
  • Vegetable broth: Use a good-quality broth to highlight the veggies
  • Heavy cream: Lends silky richness and helps bind everything together
  • Gruyère cheese: Nutty and melty This is the flavor backbone so grate it fresh if possible
  • Salt and black pepper: For seasoning Try freshly cracked pepper for a finish with bite
  • Puff pastry: Go for an all-butter pastry for maximum flakiness Thawed gently in the fridge for easy handling
  • Egg: For the golden shine on top Choose a good-quality egg if you can

Step-by-Step Instructions

Prepare the Aromatic Base:
Thinly slice leeks then melt butter with olive oil in a roomy skillet over medium heat Cook sliced leeks slowly for about five minutes until they are soft and fragrant This gentle sweating brings out their natural sweetness
Build Mushroom Flavor:
Stir in garlic and chopped mushrooms with thyme Cook the mixture for about eight minutes Let the mushrooms release their moisture and brown deeply This caramelization is what brings out the savory layers
Make It Creamy and Thick:
Dust in the flour and stir constantly for a minute You want to coat everything in the pan This helps the sauce thicken later Gently pour in broth while stirring to prevent lumps Add cream turn the heat to low and let it simmer until thick and velvety
Melt in the Cheese:
Fold in Gruyère and let it melt completely into the sauce Season with salt and pepper Adjust to taste The filling should be rich and thick enough not to run Place aside to cool for a few minutes so it does not melt the pastry
Build the Pies:
Set your oven to two hundred degrees Celsius and prep a baking sheet with parchment Cut puff pastry into six even squares or circles Add a generous scoop of cooled filling to the center of each Fold the pastry over or lay another piece on top Seal the edges with a fork to contain all that goodness
Finish and Bake:
Arrange pies on the baking tray Brush with beaten egg for glossy color Bake for twenty to twenty five minutes until puffed up and deeply golden Let rest for five minutes to cool slightly before digging in—the inside stays piping hot
Two mushroom pies on a plate. Save
Two mushroom pies on a plate. | recipesfoodyummy.com

One bite and the Gruyère wins everyone over Creamy leeks have long been one of my favorite winter comforts—I love how they pair with nutty cheese and mushrooms My younger brother once tried these straight from the oven and declared them better than steak pie

Storage Tips

Place leftover pies into an airtight container and chill within two hours They keep for up to three days and can be reheated in the oven for about ten minutes at moderate temperature for best flakiness Microwaving softens pastry so the oven is worth the extra effort

Ingredient Substitutions

Gruyère gives unique flavor but you can swap in Emmental Swiss or even sharp aged cheddar for a twist For dairy free pies use a neutral plant based cream and shredded vegan cheese Button or portobello mushrooms provide a fine substitute for creminis if needed

Serving Suggestions

These pies are perfect with a fresh green salad and tangy vinaigrette They also fit alongside a bowl of soup or as part of a picnic You can even make them smaller for party bites Just reduce the baking time accordingly

A French Touch

This recipe hints at classic French flavors such as pastry cheese and leeks The golden finish and creamy richness remind me of pies cooling on window ledges in small village kitchens The tradition of using up-market cheeses like Gruyère adds that subtle elegance

Recipe FAQs

→ Can I substitute another cheese for Gruyère?

Yes, Swiss or Emmental also work well, offering similar melt and nutty flavor. Avoid overly sharp cheeses.

→ How do I prevent soggy pastry bottoms?

Cool the filling before assembling and ensure your oven is fully preheated so pastry starts crisping immediately.

→ Can these pies be frozen before baking?

Absolutely—assemble, freeze on a tray, then transfer to a bag. Bake from frozen, adding a few extra minutes.

→ Are there gluten-free options for the pastry?

Use a store-bought gluten-free puff pastry and substitute plain flour with a gluten-free blend for the filling.

→ Which mushrooms work best for the filling?

Cremini give earthy depth, but button, chestnut, or a mix will also provide great results in flavor and texture.

Creamy Leek Mushroom Mini Pies

Buttery pastry filled with leeks, mushrooms, and Gruyère. Sophisticated and cozy vegetarian comfort food.

Prep Time
25 mins
Cooking Time
25 mins
Total Duration
50 mins
By: Loura

Recipe Type: Main Dishes

Skill Level: Intermediate

Cuisine: French

Portions Yielded: 6 Serving Size (6 mini pies)

Dietary Preferences: Vegetarian

What You'll Need

→ Filling

01 2 tablespoons unsalted butter
02 1 tablespoon olive oil
03 1 large leek, white and light green parts only, thinly sliced
04 250 grams cremini mushrooms, finely chopped
05 1 garlic clove, minced
06 1 tablespoon fresh thyme leaves or 1 teaspoon dried thyme
07 2 tablespoons all-purpose flour
08 120 millilitres vegetable broth
09 120 millilitres heavy cream
10 100 grams Gruyère cheese, shredded
11 Salt, to taste
12 Freshly ground black pepper, to taste

→ Pastry

13 1 sheet puff pastry, thawed if frozen
14 1 egg, beaten

Steps To Follow

Step 01

Heat butter and olive oil in a large skillet over medium heat. Add leeks and sauté for 4 to 5 minutes until softened. Stir in garlic, mushrooms, and thyme, and cook for about 8 minutes until mushrooms have released their moisture and are golden.

Step 02

Sprinkle the flour over the vegetables and cook, stirring, for 1 minute. Gradually add the vegetable broth while stirring until smooth. Pour in the heavy cream, reduce the heat, and simmer until the mixture thickens. Add Gruyère cheese and stir until melted. Season with salt and black pepper. Allow the filling to cool slightly.

Step 03

Preheat oven to 200°C. Cut the puff pastry into 6 equal squares or circles. Spoon the cooled filling into the centre of each piece. Fold pastry over or cover with another piece, and seal the edges with a fork.

Step 04

Place the assembled pies on a baking tray lined with parchment paper. Brush with beaten egg. Bake for 20 to 25 minutes until puffed and golden brown.

Step 05

Allow pies to cool for 5 minutes before serving, as the filling will be very hot.

Notes and Tips

  1. For extra flavour, incorporate a pinch of nutmeg into the filling along with the cream.
  2. Ensure the filling is cooled before assembling to prevent soggy pastry.

Required Equipment

  • Large skillet
  • Baking tray
  • Parchment paper
  • Sharp knife
  • Pastry brush

Allergy Info

Double-check every ingredient for possible allergens and consult a health professional if you're unsure.
  • Contains dairy (butter, cream, cheese)
  • Contains eggs
  • Contains gluten (flour, puff pastry)

Nutritional Info (per serving)

These details are for informational purposes only and shouldn't replace medical advice.
  • Caloric Content: 340
  • Fats: 22 g
  • Carbohydrates: 26 g
  • Proteins: 8 g