Savory Mushroom Gruyère Puff Pastry

Section: Quick & Tasty Snack Ideas

Buttery puff pastry envelops a creamy blend of cremini mushrooms, Gruyère, Parmesan, and cream cheese, enhanced by thyme and a touch of Dijon. The filling is sautéed until aromatic, cooled, and wrapped in diagonally braided pastry strips for a stunning presentation. After baking until golden, the braid is cooled briefly and finished with fresh parsley. Ideal as a savory brunch centerpiece, appetizer, or shareable snack, it pairs beautifully with crisp white wine or fresh salad. Chill the filling ahead for convenience, and always oven-reheat for the best texture.

woman cooking.
Created By Lena
Updated on Fri, 31 Oct 2025 16:13:12 GMT
A pastry with mushrooms and cheese on a wooden table. Save
A pastry with mushrooms and cheese on a wooden table. | recipesbylena.com

This savory mushroom and Gruyère puff pastry braid is my go to for gatherings and laid back weekends when I need something special but not fussy It always disappears fast thanks to its flaky layers earthy mushroom filling and irresistible cheesy finish

The first time I made this was for a cozy Sunday brunch My friends could not believe it was homemade because it looks like a bakery treat but comes together without any drama

Ingredients

  • One sheet puff pastry: Gives structure and golden layers look for all butter brands in the freezer section
  • Unsalted butter: Richness for sautéing skip margarine for best flavor
  • Olive oil: Keeps the onions and mushrooms tender and adds depth choose extra virgin for more aroma
  • Small yellow onion: Brings sweetness and balances the mushrooms pick one that feels heavy
  • Garlic: Essential aromatic always opt for fresh bulbs over preminced
  • Cremini mushrooms: Earthy texture and flavor find ones that are firm brown and dry
  • Fresh thyme: Gives a woodsy aroma if using dried use half the amount for the same impact
  • Salt and black pepper: Boosts flavors use fresh cracked pepper if you can
  • Dry white wine: Optional but adds complexity choose something you would enjoy sipping
  • Cream cheese: Melts into a creamy base use full fat for richness
  • Parmesan cheese: Nutty saltiness grate it yourself for a meltier finish
  • Gruyère cheese: Buttery sharp flavor and perfect melt look for blocks and grate fresh
  • Dijon mustard: Optional for tang and warmth not yellow mustard
  • Large eggs: One for the filling one for brushing on top gives shine and richness
  • Fresh parsley: Bright and fresh for garnish chop just before sprinkling

Instructions

Prep and Preheat:
Preheat your oven to 350°F or 180°C Place a piece of parchment paper on your baking tray This prevents the braid from sticking and makes cleanup effortless
Sauté the Aromatics:
In a large skillet melt the butter together with the olive oil over medium heat Once melted add the finely diced onion and cook gently for about five minutes Stir often until the onion is silky soft and starting to turn translucent You do not want them to brown here since that bitter edge can spoil the filling
Mushroom Magic:
Add the garlic and stir for just thirty seconds so it scents the oil Scatter in your cremini mushrooms Use the heat to brown them slowly stirring only occasionally The aim is deep color and for the mushrooms to lose all their moisture This process usually takes eight minutes The mixture should not be soupy and your kitchen will smell wonderful
Build the Flavor:
Strip the thyme leaves from their stems and sprinkle over the pan Season with salt and fresh cracked black pepper At this stage add a splash of white wine if you are using it and let the liquid bubble away and evaporate This step intensifies the mushroom flavor and removes any raw alcohol sharpness Lower the heat afterwards
Make It Creamy:
Spoon in the cream cheese and follow with the parmesan and any Dijon if you like Stir gently to thoroughly blend everything You want a creamy uniform texture Take off the heat then fold in the grated Gruyère cheese so it just melts in morsels through the mix
Finish the Filling:
Crack one egg into a bowl and beat lightly Add this beaten egg to the still warm mushroom filling and stir quickly to incorporate The heat sets the egg just enough to help the filling hold together Let it cool for a few minutes so you are not working with a steaming mix on soft pastry
Prepare the Pastry Braid:
Unroll your thawed but still cold puff pastry directly onto parchment With a sharp knife cut diagonal strips up each long side about eight on each side leaving a broad center strip intact Spoon the mushroom mixture down the middle pressing gently to form a log Leave the ends and sides clear so there is no overflow
Braid and Wrap:
Fold the short ends of the pastry in to encase the filling at both tips Then alternate folding the diagonal strips over one another crisscrossing like a braid down the braid until it is fully wrapped This keeps all the creamy goodness inside and gives that beautiful bakery look
Egg Wash and Bake:
Gently lift the whole braid still on the parchment onto your baking tray Beat the second egg and brush it all over the top and down the sides This gives the finished pastry a glossy golden finish Bake in the preheated oven for twenty to twenty two minutes until the top is puffed and deep golden and you can hear a faint sizzle
Cool and Garnish:
Once baked let the braid rest on the tray for ten minutes so the filling firms up When ready slide onto a cutting board sprinkle liberally with chopped parsley and slice into pieces Serve while warm for the flakiest results
A long pastry with mushrooms and herbs on it.
A long pastry with mushrooms and herbs on it. | recipesbylena.com

Eating this with loved ones always brings back holiday memories for me Gruyère has such a distinct flavor my kids say they can smell when this is in the oven and everyone drifts into the kitchen to steal a bite before it even cools

Storage Tips

Store leftovers in an airtight container in the refrigerator for up to two days To keep your braid crispy reheat it in a 350°F oven for seven to ten minutes Never microwave as it steams the pastry and makes it soggy

Ingredient Substitutions

If you cannot find Gruyère swap in Fontina or even a mild Swiss cheese For dairy free needs use plant based cream cheese and a vegan puff pastry For a different flavor profile try adding a handful of chopped sun dried tomatoes or wilted spinach to the filling

Serving Suggestions

Serve sliced on a platter as an elegant appetizer at parties It pairs wonderfully with a simple arugula salad or a cup of tomato soup For a brunch twist serve alongside poached eggs or a light fruit salad

Cultural and Historical Context

Puff pastry has its origins in French baking and is known for its buttery layers Braided pastries have a long tradition as festive breads in many cultures and this savory version takes inspiration from both French and Swiss flavors Gruyère cheese comes from Switzerland and is prized for melting beautifully

Seasonal Adaptations

In spring add sautéed asparagus or leeks During summer swap out mushrooms for roasted zucchini or peppers For winter stir chopped roasted chestnuts into the filling for nutty warmth

Success Stories

Guests always request the recipe after trying this braid My neighbor told me she doubles the filling and makes two side by side every Christmas Eve It even won first place at our neighborhood bake off last year

Freezer Meal Conversion

You can fully assemble the pastry braid then freeze unbaked Wrap tightly in parchment and foil then freeze for up to one month To bake from frozen brush on the egg wash and add five to eight extra minutes to the baking time No need to thaw in advance

A long pastry with mushrooms and herbs on a wooden board.
A long pastry with mushrooms and herbs on a wooden board. | recipesbylena.com

This braid is sure to become a favorite for entertaining or a weekend treat Enjoy each flaky slice with friends and family for maximum delight

Recipe FAQs

→ How do I keep the pastry crisp?

For a crisp finish, bake the braid until deep golden and reheat leftovers in the oven, not the microwave.

→ Can I prepare the filling ahead of time?

Yes, make the filling a day before and refrigerate; let it return to cool room temperature before assembly.

→ What cheese substitutes work for Gruyère?

Fontina or Swiss melt smoothly and offer a similar nutty flavor if Gruyère is unavailable.

→ How do I prevent a soggy bottom?

Cool the filling before placing it on the pastry and avoid excess moisture for best results.

→ Can I add vegetables to the filling?

Absolutely. Wilted spinach, kale, or chopped sun-dried tomatoes add hearty flavor and vibrant color.

→ What's the best way to braid the pastry?

Cut diagonal strips on each side, leave the center for filling, then alternate strips across the filling for a neat braid.

Savory Mushroom Gruyère Puff Pastry

Flaky pastry wrapped around a rich mushroom and Gruyère filling, highlighted by hints of thyme and Parmesan.

Preparation Time
20 minutes
Time to Cook
22 minutes
Overall Time
42 minutes
Created By: Lena

Recipe Category: Snacks

Difficulty Level: Medium Difficulty

Cuisine Style: European

Serving Size: 10 Portions (10 pieces)

Dietary Categories: Suitable for Vegetarians

Ingredients List

→ Pastry

01 1 sheet puff pastry, thawed

→ Filling

02 2 tablespoons unsalted butter
03 2 tablespoons olive oil
04 1 small yellow onion, finely diced
05 2 cloves garlic, minced
06 285 grams cremini mushrooms, sliced
07 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
08 Salt, to taste
09 Black pepper, to taste
10 60 milliliters dry white wine (optional)
11 225 grams cream cheese
12 75 grams Parmesan cheese, finely grated
13 50 grams Gruyère cheese, grated
14 1 teaspoon Dijon mustard (optional)
15 2 large eggs, divided

→ To Finish

16 Fresh parsley, chopped, for garnish

How to Make It

Step 01

Preheat oven to 180°C. Line a baking tray with parchment paper.

Step 02

In a large skillet over medium heat, warm olive oil and butter. Add the diced onion and sauté until softened, about 5 minutes.

Step 03

Stir in the garlic and sliced cremini mushrooms. Cook, stirring occasionally, until the mushrooms are browned and their moisture has evaporated, approximately 8 minutes.

Step 04

Incorporate thyme, salt, pepper, and dry white wine if using. Cook until the liquid is absorbed. Reduce the heat to low.

Step 05

Add cream cheese, grated Parmesan, and Dijon mustard if using. Stir until the mixture is smooth and creamy. Remove from heat and fold in the grated Gruyère.

Step 06

Quickly mix in one beaten egg until fully combined with the filling. Allow the mixture to cool slightly.

Step 07

Unroll the puff pastry sheet onto a clean surface. Cut 8 diagonal strips along each long side, leaving the center third intact for the filling.

Step 08

Spread the mushroom filling down the central section, leaving space at the ends. Fold the short edges over, then alternately cross the pastry strips at an angle over the filling to create a braided effect.

Step 09

Carefully transfer the braid with parchment paper onto the prepared baking tray. Brush the surface with the remaining beaten egg. Bake for 20–22 minutes, or until the pastry is golden and well risen.

Step 10

Allow the braid to cool for 10 minutes before slicing. Garnish with chopped fresh parsley and serve warm.

Extra Tips

  1. For easier shaping, handle the puff pastry while still cold.
  2. Prepare the filling in advance and refrigerate up to 24 hours for streamlined assembly.
  3. Incorporate spinach, kale, or sun-dried tomatoes for added depth of flavor.
  4. Fontina or Swiss cheese may substitute Gruyère as needed.
  5. For best texture, reheat leftovers in the oven rather than the microwave.

Essential Tools

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

Allergen Warnings

Double-check all ingredients for allergens and consult your doctor if you’re unsure.
  • Contains milk products (butter, cream cheese, Parmesan, Gruyère).
  • Contains wheat gluten (puff pastry).
  • Contains eggs.

Nutritional Information (Per Serving)

This info is offered for general knowledge and isn’t meant as medical advice.
  • Calories Info: 278
  • Total Fat: 19 grams
  • Total Carbs: 18 grams
  • Proteins Content: 7.8 grams