Mini Mushroom and Gruyère Pot Pies with Thyme

By Lily | Last modified on Feb 17, 2026

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Mini Mushroom and Gruyère Pot Pies with Thyme

When the chill of evening settles in, nothing soothes quite like a warm, flaky pot pie. These mini mushroom and Gruyère pot pies are a delicious twist on classic comfort food, blending earthy mushrooms with the nutty richness of Gruyère cheese. Infused with fresh thyme and encased in golden puff pastry, each bite offers a perfect harmony of textures and flavors.

Perfect for intimate dinners or sharing with friends, these pot pies come together with layers of sautéed mushrooms, cream, and savory herbs. The crisp pastry topper contrasts beautifully with the velvety mushroom filling, making every mouthful feel indulgent and comforting.

Why You’ll Love This Recipe

  • The combination of hearty mushrooms and melted Gruyère creates a rich, flavorful filling that satisfies every craving.
  • Individual ramekins make this dish elegant and perfect for entertaining or cozy family meals.
  • The addition of fresh thyme adds an aromatic, herbaceous note that brightens the creamy sauce.
  • Using puff pastry ensures a flaky, golden crust that’s quick to prepare and bakes beautifully.

Ingredients

  • Frozen Puff Pastry: Approximately two sheets, thawed, provide a buttery and flaky crust essential for a perfect pot pie shell.
  • Gruyère Cheese: 1 1/2 cups shredded, this nutty and creamy cheese melts beautifully into the filling adding depth and richness.
  • Unsalted Butter: 2 tablespoons used to sauté onions and mushrooms, enhancing their natural flavors without adding excess salt.
  • Mixed Mushrooms: 1 pound of cremini, shiitake, and button mushrooms, cleaned and sliced to provide earthiness and varied textures.
  • Large Onion: Finely chopped to add sweetness and a subtle savory base to the filling.
  • Garlic Cloves: 3 cloves, minced, introduce a fragrant warmth that complements the mushrooms perfectly.
  • Fresh Thyme Leaves: 1 tablespoon, finely picked to infuse the filling with a fresh, herbal aroma.
  • All-Purpose Flour: 1/4 cup used to thicken the creamy mushroom sauce, ensuring a luscious filling.
  • Vegetable Broth: 1 1/2 cups provide a savory liquid base that blends with cream and mushrooms for depth of flavor.
  • Heavy Cream: 1 cup adds richness and smoothness to the sauce, balancing the earthiness of the mushrooms.
  • Salt and Freshly Ground Black Pepper: To taste, essential for seasoning and enhancing all the components of the filling.
  • Egg: 1 beaten, used for an egg wash to give the puff pastry a glossy, golden finish when baked.

Instructions

Preheat Oven and Prepare Ramekins

Set your oven to 400°F (200°C) and lightly grease six 6-ounce ramekins. This ensures the pot pies don’t stick and that the puff pastry bakes to a perfect golden color.

Roll Out Puff Pastry

On a lightly floured surface, roll out the thawed puff pastry to about 1/8 inch thickness. Cut rounds slightly larger than each ramekin so that the pastry can seal around the edges, creating a beautifully crowned top.

Sauté Onions and Butter

In a large skillet over medium heat, melt the butter and cook the finely chopped onions until translucent, about 4 minutes. This step softens the onions, bringing out their natural sweetness as a flavor base.

Cook Mushrooms and Garlic

Add the minced garlic and mixed sliced mushrooms to the skillet. Cook, stirring occasionally, until the mushrooms are golden brown and most of their moisture has evaporated, about 8-10 minutes. This concentration intensifies their flavor and prevents a soggy filling.

Add Herbs and Flour

Stir in the fresh thyme leaves and sprinkle the flour over the mushroom mixture. Cook for 2 minutes to cook off the flour taste; this step is critical to thickening without a raw flour flavor.

Incorporate Broth and Simmer

Gradually pour the vegetable broth into the skillet while stirring to avoid lumps. Bring the mixture to a simmer as this helps the sauce begin to thicken while blending flavors smoothly.

Add Cream and Thicken Sauce

Lower the heat and stir in the heavy cream. Continue cooking until the sauce becomes thick and creamy, about 5 minutes. This creates a luscious texture that coats the mushrooms beautifully.

Season the Filling

Season generously with salt and freshly ground black pepper. Tasting and adjusting seasoning here ensures the filling is perfectly balanced and flavorful before baking.

Assemble the Pot Pies

Divide the mushroom filling evenly among the prepared ramekins. Sprinkle a generous layer of shredded Gruyère cheese over the top, which will melt and add a rich, savory finish under the pastry.

Top with Puff Pastry and Egg Wash

Place a pastry round over each ramekin and gently press the edges to seal. Brush the tops with the beaten egg wash to develop a shiny, golden crust once baked.

Bake Until Golden

Arrange the ramekins on a baking sheet and bake in the preheated oven for 15-20 minutes, or until the puff pastry is puffed and deep golden brown. This baking step locks in the flavors and adds a delightful crunch.

Cool and Serve

Let the pot pies rest for about 10 minutes before serving. This allows the filling to set slightly, making them easier to enjoy without losing any of the piping hot mushroom goodness.

You Must Know

  • Gruyère cheese can be swapped with Swiss or Fontina for different but equally delicious flavor profiles.
  • Experiment with herbs like rosemary or sage for extra aromatic variations.
  • A splash of white wine added while cooking mushrooms adds depth and complexity to the filling.
  • You can prepare the mushroom filling a day ahead; simply refrigerate and assemble just before baking.
  • Serving with a crisp green salad balances the rich pot pies and creates a complete, satisfying meal.

Storage Tips

Store leftovers covered in the refrigerator for up to 3 days. Reheat in a low oven to maintain crisp pastry and warm filling without drying out.

Serving Suggestions

Pair these mini pot pies with a fresh green salad, such as arugula with lemon vinaigrette, or roasted seasonal vegetables for a well-rounded dinner.

Professional Tips

  • Ensure mushrooms are dried after cleaning to avoid excess moisture that can make the filling watery.
  • Rolling the puff pastry slightly thinner makes it crispier while still holding the filling securely.
  • Use room temperature egg wash for even browning without cracking the pastry.
  • When cooking mushrooms, avoid overcrowding the pan to encourage browning instead of steaming.

FAQs

Can I use different types of mushrooms?

Yes, feel free to use any combination you prefer. Wild mushrooms add great flavor, while common button mushrooms keep it mild and simple.

Is there a vegetarian broth alternative?

Absolutely. Vegetable broth is recommended for vegetarians, but ensure it is a rich, flavorful variety for best results.

Can I freeze the pot pies?

You can freeze the assembled pot pies before baking. Wrap tightly and bake from frozen, adding a few extra minutes to the baking time.

What can I substitute for Gruyère cheese?

Swiss, Fontina, or even mild cheddar are great alternatives that melt well and provide similar creaminess.

Can I make this gluten-free?

Use gluten-free puff pastry and a gluten-free flour blend to thicken the sauce for a gluten-free version of this dish.

How do I prevent the puff pastry from becoming soggy?

Ensure the mushroom mixture is thick and not overly wet, and bake the pot pies immediately after assembly for best texture.

Can I add protein like chicken?

Yes, cooked shredded chicken can be stirred into the filling before assembling to turn these into more substantial main dishes.

Mini Mushroom and Gruyère Pot Pies with Thyme

Mini Mushroom Gruyère Pot Pies

These mini pot pies combine sautéed mushrooms, melted Gruyère, and fresh thyme in a flaky puff pastry crust, creating a comforting and elegant dinner option.
Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes
Course dinner, Main Course
Cuisine French
Servings 6 people
Calories 350 kcal

Equipment

  • 1 oven Preheat to 400°F
  • 6 ramekins 6-ounce size, lightly greased
  • 1 skillet For sautéing mushrooms
  • 1 Rolling Pin For rolling puff pastry
  • 1 baking sheet

Ingredients
  

  • 1 package approx. 2 sheets frozen puff pastry, thawed
  • 1 1/2 cups shredded Gruyère cheese
  • 2 tablespoons unsalted butter
  • 1 pound mixed mushrooms cremini, shiitake, button, cleaned and sliced
  • 1 large onion finely chopped
  • 3 cloves garlic minced
  • 1 tablespoon fresh thyme leaves
  • 1/4 cup all-purpose flour
  • 1 1/2 cups vegetable broth
  • 1 cup heavy cream
  • Salt and freshly ground black pepper to taste
  • 1 egg beaten (for egg wash)

Instructions
 

  • Preheat the oven to 400°F (200°C). Lightly grease six 6-ounce ramekins.
  • Roll out the thawed puff pastry on a floured surface to about 1/8 inch thickness and cut into rounds slightly larger than the ramekins.
  • Melt butter in a large skillet over medium heat and cook the chopped onions until translucent, about 4 minutes.
  • Add garlic and sliced mushrooms to the skillet and cook, stirring occasionally, until golden and moisture has evaporated, about 8-10 minutes.
  • Stir in fresh thyme leaves and flour; cook another 2 minutes to eliminate raw flour taste.
  • Gradually add vegetable broth while stirring continuously and bring to a simmer.
  • Add heavy cream and reduce heat; cook until the sauce thickens, about 5 minutes.
  • Season the mushroom mixture with salt and freshly ground black pepper to taste.
  • Divide the filling evenly into prepared ramekins and sprinkle shredded Gruyère cheese over the top.
  • Cover each ramekin with a puff pastry round, seal edges gently, and brush the tops with beaten egg.
  • Place ramekins on a baking sheet and bake for 15-20 minutes until pastry is golden and puffed.
  • Allow to cool slightly before serving.

Notes

  • Substitute Gruyère with Swiss or Fontina cheese if preferred.
  • Try rosemary or sage for different herbal flavors.
  • Add a splash of white wine while cooking mushrooms for extra richness.
  • Prepare filling a day ahead; assemble and bake when ready.
  • Pair with a fresh green salad for a complete meal.

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