Foraged Fungi Quiche with a Gluten-Free Base

Indulge in the Earthy Flavors of Our Wild Mushroom Quiche: A Gluten-Free Recipe for Special Occasions

Discover the magic of a homemade Wild Mushroom Quiche, a culinary masterpiece perfect for any special gathering. This exquisite dish features a luxuriously silky egg custard generously filled with an abundance of fragrant, thyme-scented wild mushrooms and perfectly melted cheese. Encased in a gloriously crispy and flaky gluten-free crust, it offers an irresistible combination of rich, savory flavors and delightful textures that will impress even the most discerning palates.

Wild Mushroom Quiche with a wedge cut out, in front is a white plate with the wedge on it.

The enchanting season of mushrooms recently brought forth an unexpected bounty, courtesy of a wonderful friend! It felt as though a mushroom fairy had paid a visit, leaving behind a generous tub of freshly foraged, pristine honey mushrooms. For any mushroom enthusiast, such a gift is pure bliss, a true treasure from the heart of the forest. The sheer volume and exquisite freshness of these fungi immediately sparked a culinary inspiration.

These beautiful honey mushrooms, with their firm texture and delicate, earthy aroma, were simply begging to be transformed into something spectacular. It’s amazing how, with just the right amount of rain, these natural wonders can appear almost overnight, offering their unique flavors for countless delicious creations.

a tub of wld honey mushrooms.
This is a precious gift to find on your doorstep!

The idea of a wild mushroom quiche instantly sprang to mind. There’s a timeless harmony between mushrooms and eggs, a culinary pairing that consistently delivers satisfying results. When you combine this duo with a rich, lusciously silky custard, the bond becomes unbreakable. To elevate this classic combination, we introduce a symphony of flavors: the creamy tang of melting cheese, the aromatic freshness of thyme leaves, a subtle hint of warming nutmeg, and a delicate kiss of garlic. All these exquisite components are lovingly encased within a tender, perfectly baked crust, resulting in a dish that is nothing short of pure, mushroomy magic.

This recipe is designed to bring out the best in your wild mushrooms, creating a show-stopping quiche that is both elegant and deeply comforting. Whether you’re celebrating a special occasion or simply treating yourself to a gourmet meal at home, this Wild Mushroom Quiche is sure to become a beloved favorite. Its complex layers of flavor and satisfying texture make it a versatile dish, perfect for brunch, lunch, or a light dinner served with a crisp green salad.

Essential Ingredients for Your Mouthwatering Quiche

To embark on creating this exceptional Wild Mushroom Quiche, the foundation is an unbaked single pastry crust. You have the freedom to use your tried-and-true favorite recipe. However, for those seeking a gluten-free option that doesn’t compromise on taste or texture, we highly recommend the accompanying recipe below. This gluten-free crust bakes up with an astonishingly flaky and crispy finish, so delightful that many won’t even realize it’s gluten-free! It’s become our trusted go-to crust for all quiche and tart endeavors, consistently delivering superb results.

Beyond the perfect crust, here’s what you’ll need to gather for the delectable filling:

Labeled ingredients needed to make a wild mushroom quiche.
I used honey mushrooms for this quiche
  • Wild Mushrooms: The star of our show! Feel free to use any variety of wild mushrooms you have on hand. Chanterelles will lend a delicate, fruity aroma; porcini offer a robust, nutty flavor; and morels contribute their distinct earthy, almost smoky notes. If wild mushrooms are unavailable, don’t despair! Cultivated cremini or common button mushrooms (those readily “foraged” from your grocery store aisles) will still yield a wonderfully delicious quiche, albeit with a milder flavor profile. The key is to use fresh, firm mushrooms for the best results.
  • Cheese: A high-quality, melting cheese is crucial for that gooey, savory layer. Swiss cheeses are particularly well-suited for pairing with mushrooms, as their earthy, nutty notes beautifully complement the fungi. Options like Gruyère, Emmentaler, or the sophisticated French Comté cheese are excellent choices. Each will add a unique depth of flavor and a beautiful melt. If these aren’t accessible, a sharp cheddar will also provide a tasty and comforting alternative, ensuring your quiche is rich and flavorful.
  • Light Cream: This ingredient is essential for achieving that signature silky-smooth custard filling. Light cream (typically 10-18% milkfat) provides the perfect balance of richness without being overly heavy. For a slightly lighter option, you could use a 50/50 mix of milk and heavy cream. However, if you desire an ultra-rich, truly decadent, and luxurious filling that melts in your mouth, opting for all heavy cream will take your quiche to an entirely new level of indulgence.
  • Onion & Garlic: Aromatic staples that build the flavor base for the mushrooms. Finely chopped onion sautéed until translucent provides a sweet counterpoint to the earthy mushrooms, while minced garlic adds a pungent warmth.
  • Fresh Thyme Leaves: Thyme and mushrooms are a match made in culinary heaven. Fresh thyme leaves infuse the filling with a herbaceous, slightly floral note that enhances the natural flavors of the wild mushrooms. Dried thyme can be used as a substitute, but use less as its flavor is more concentrated.
  • Seasonings: Fine sea salt helps draw moisture from the mushrooms during cooking, intensifying their flavor. Freshly ground black pepper adds a gentle spice. A touch of nutmeg introduces warmth and depth, while a pinch of cayenne provides a subtle, invigorating kick without making the quiche spicy.

Crafting Your Mouthwatering Wild Mushroom Quiche: A Step-by-Step Guide

Creating this Wild Mushroom Quiche is a delightful process that transforms simple ingredients into an extraordinary dish. Follow these steps carefully to ensure a perfect outcome:

Begin by preparing your mushrooms. Gently tear the wild mushrooms into smaller, irregular pieces with your fingers. I find that this method creates a more rustic and appealing texture in the finished quiche compared to uniform chopping. The varying sizes also contribute to a more interesting mouthfeel. If certain stems are too tough to tear easily, simply chop them. For very small mushroom caps, feel free to leave them whole to showcase their natural beauty and form.

a pile of torn honey mushrooms ready to saute for the quiche filling.

Next, in a large skillet over medium-high heat, melt your butter. Add the finely chopped onion and sauté it gently until it becomes soft and transparent, releasing its sweet aroma – this usually takes about 2-3 minutes. Avoid browning the onion, as we want its sweetness to complement the mushrooms. Once the onion is ready, add your torn or chopped mushrooms to the pan, along with half of the specified salt. The salt plays a crucial role here; it helps to draw out the natural moisture from the mushrooms, significantly speeding up the cooking process and ensuring they brown nicely rather than steam. Stir in the fresh thyme leaves and minced garlic. Continue to cook the mushrooms, stirring frequently, until they have fully released all of their water, and this liquid has completely cooked off, leaving no moisture pooling in the pan. This step is vital for preventing a watery quiche filling. Once cooked, remove the mushrooms from the heat and allow them to cool completely to room temperature. This cooling step prevents the hot mushrooms from “scrambling” the egg custard prematurely when combined.

4 photo collage cooking mushrooms. 1- sauteeing onions, 2 - adding mushrooms, 3 - adding thyme, 4 - adding garlic.
1- Sauté the onions in butter. 2- Add the torn wild mushrooms and salt. 3- Add the thyme leaves 4- and the chopped garlic.

Now, it’s time to assemble your quiche. Take your prepared pastry crust, which should be chilled and fitted snugly into your quiche pan. Evenly sprinkle the shredded cheese across the bottom of the crust. This layer of cheese will melt into a delicious, flavorful base. Then, gently spread the cooled mushroom mixture evenly over the cheese. Distribute the mushrooms to ensure every slice of quiche gets a generous helping of their earthy goodness.

3 photo collage filling the quiche pan. First the crust, then the cheese, then the mushrooms.
left: The gluten-free pastry crust, middle: Add the cheese, right:: Then the mushrooms

In a separate bowl, whisk together the eggs, light cream, the remaining salt, pepper, nutmeg, and a pinch of cayenne until thoroughly combined and smooth. This creates your luscious custard mixture. Carefully pour this egg and cream mixture over the mushrooms and cheese in the pastry crust. Pour slowly and evenly to ensure it seeps down and envelops all the delicious filling ingredients.

left: whisking the eggs and cream. right: pouring the egg mixture over the mushrooms in the pastry crust.
left: Whisk up the custard ingredients. right:: Pour it over the mushrooms.

The quiche crust should be filled almost to the very top. As it bakes in the oven, the filling will wonderfully puff up, creating a visually appealing dome. Don’t worry, it will gently deflate again as it cools, settling back to almost its initial height, with a perfectly set, creamy center. The two-stage baking temperature ensures a beautifully golden-brown crust and a perfectly cooked, tender custard.

the quiche ready to go in the oven.
The quiche is filled almost to the top and ready for the oven

Serving and Storing Your Culinary Creation

Once baked to golden perfection, it’s crucial to allow the mushroom quiche to cool slightly before attempting to slice it. This resting period, typically 10-15 minutes, allows the delicate custard to set properly, ensuring clean, elegant slices that hold their shape beautifully. This also enhances the texture and allows the flavors to meld further. You can serve this versatile quiche warm, where its comforting aromas fill the air, or at a more casual room temperature, which is equally delightful.

the mushroom quiche in a glass pan, with a slice cut out of it.

This quiche is not only delicious freshly baked but also excellent for meal prepping. If you have leftovers or wish to prepare it in advance, simply cover it tightly and refrigerate for up to 3 or 4 days. When you’re ready to enjoy it again, you can bring it back to room temperature for a quick snack, or gently warm individual slices in the oven or microwave until heated through. Reheating in the oven (at a moderate temperature like 300°F/150°C) is often preferred to help maintain the crispness of the crust.

A slice of mushroom quiche on a white plate with thyme sprigs beside it.

Each bite of this Wild Mushroom Quiche is a journey of amazing flavor and delightful texture. You’ll first encounter the silky-smooth custard, enriched by the creamy, melting shreds of cheese. This gives way to the toothsome, earthy wild mushrooms, which retain a pleasing bite and concentrated flavor. The subtle hint of nutmeg adds a warm, sweet counterpoint, while the pinch of cayenne offers a gentle awakening. Finally, a delicate whiff of garlic completes this symphony of tastes, enhancing the natural umami deliciousness of this fantastic treat. It’s a testament to the simple yet profound magic that can be created with fresh ingredients from the forest.

Pair this quiche with a light, fresh green salad dressed with a simple vinaigrette to cut through the richness, or a bowl of warming soup for a heartier meal. It’s also an elegant addition to any brunch spread, impressing guests with its gourmet flair and homemade charm. The gluten-free crust ensures that everyone can enjoy this delightful creation, making it a perfect dish for entertaining. Enjoy the rich, savory depth of this exceptional quiche, a true culinary delight!

More Inspiring Recipes Featuring Wild Mushrooms

If you’ve been fortunate enough to gather a generous harvest of wild mushrooms, or if you simply adore their unique flavor, you’ll be thrilled to know they can star in a myriad of other delectable dishes. Here are some more inspiring ways to incorporate the unparalleled taste of wild mushrooms into your cooking:

  • Mushrooms on Toast – A Simple, Rustic Pleasure
  • Hearty Wild Rice and Morel Mushroom Soup
  • Steak and Mushrooms – A Timeless Classic Pairing
  • Comforting Mushroom Dal with Brown Rice and Spice Oil
  • Elegant Leek and Mushroom Tart
  • Creamy Wild Mushroom Risotto
  • Savory Mushroom Ragu with Lentil Polenta
  • Decadent Pasta with Morel Mushrooms in a Delicate Cream Sauce
  • Simple Yet Flavorful Wild Rice and Mushrooms Side Dish
  • Crispy Pan-Fried Morel Mushrooms – A Gourmet Treat
  • Exploring Coral Mushrooms: What They Are and How to Use Them

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Guten Appetit!

Wild Mushroom Quiche with a slice cut out of it.

Wild Mushroom Quiche

Margaret Bose Johnson

Indulge in this exquisite Wild Mushroom Quiche, featuring a silky egg custard generously packed with thyme-infused wild mushrooms and savory melting cheese. The accompanying gluten-free crust is wonderfully crispy, flaky, and rich, creating a harmonious blend with the decadent filling.

5 from 1 vote
Print Recipe
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Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Course Main Dish
Cuisine American, Canadian
Servings 8
Calories 401 kcal

Equipment

  • A 10 or 10½-inch (25-27 cm) quiche pan or a 10-inch deep-dish pie pan

Ingredients

 

  • 1 single crust pastry, regular or gluten-free  (for the gluten-free crust recipe, see below)
  • 1 lb. (454 g) wild mushrooms, any kind or a mix of several kinds (approx. 6 cups chopped or torn) or use button or cremini mushrooms
  • 1 tablespoon butter
  • ½ medium onion, finely chopped
  • 1 large clove garlic or 2 medium cloves, minced (about 2 teaspoons)
  • teaspoons fresh thyme leaves (or ½ teaspoon dried thyme)
  • 1 teaspoon fine sea salt, divided
  • 1 cup (100 g) shredded Swiss cheese (or Gruyère, Emmentaler, or Comté cheese)
  • 4 large eggs
  • 2 cups (480 ml) light cream (10-18% milkfat)
  • ¼ teaspoon pepper
  • teaspoon nutmeg
  • pinch of cayenne

Gluten-Free Pastry Crust

  • 2 tablespoons ground golden flax seeds
  • 4 tablespoons (60 ml) water
  • cups (200 g) gluten-free flour mix
  • ½ teaspoon baking powder (gluten-free)
  • ¼ teaspoon fine sea salt
  • ½ cup (100 g) cold lard, diced (or ½ cup/113 grams cold butter, or half lard and half butter – ¼ cup of each)
  • 2 tablespoons plain yogurt (or 1 egg yolk)

Instructions

 

To Make the Gluten-Free Pastry Crust

  • In a small bowl, thoroughly stir together the ground golden flax seeds and water. Let this mixture sit for approximately 10 minutes to allow the flax to gel and thicken, creating a binder.
  • In a large mixing bowl, whisk together the gluten-free flour, baking powder, and salt until well combined. Add the cold, diced lard (or butter) to the flour mixture. Gently toss the cubes of fat with the flour, then use your fingertips to lightly squeeze and flatten them into large, irregular flakes. This method creates pockets of fat that will render into flaky layers during baking.
  • Add the prepared flax gel and plain yogurt (or egg yolk) to the flour and fat mixture. Use a fork to mix the ingredients just until the flour is mostly moistened and the dough begins to come together. Avoid overmixing to keep the crust tender.
  • Lightly knead the dough a few times on a clean surface until it just forms a rough ball. It’s perfectly normal, and desirable, to still see visible chunks of butter or lard in the dough, as these will contribute to the flaky texture. Shape the pastry dough into a disk, approximately 1-inch (2.5 cm) thick. Wrap it tightly with plastic food wrap and refrigerate it for at least 30 minutes, or up to 5 days, to allow the gluten-free flours to hydrate and the fat to firm up.
  • When it’s time to roll out your gluten-free pastry crust, a helpful tip is to roll it between two sheets of parchment paper. This prevents sticking and makes transferring the delicate dough into the quiche pan much easier.

To Make the Wild Mushroom Quiche:

  • Roll out the chilled pastry crust to fit your 10 or 10½-inch quiche pan. Carefully transfer the crust into the pan and gently press it against the bottom and sides. Trim any excess crust if necessary. Refrigerate the crust in the pan while you prepare the delicious filling.
  • Preheat your oven to 425℉ (220℃). Ensuring the oven is at the correct temperature from the start is important for achieving a perfectly baked crust and custard.
  • Prepare your wild mushrooms by tearing them into irregular, bite-sized pieces with your fingers, or chopping them into large chunks if they are too firm to tear. Small mushroom caps can be left whole.
  • In a large, heavy-bottomed skillet, melt the butter over medium-high heat. Allow the butter to shimmer but not brown before adding the aromatics.
  • Add the finely chopped onion to the skillet and sauté for 2 to 3 minutes, stirring occasionally, until it becomes soft and translucent, but not colored.
  • Introduce the prepared mushrooms, minced garlic, fresh thyme, and ½ teaspoon of the fine sea salt to the skillet. The addition of salt at this stage helps to draw out excess moisture from the mushrooms, which is crucial for a flavorful and non-watery quiche filling.
  • Continue to cook the mushroom mixture, stirring frequently, until the mushrooms have released all their juices, and the liquid has completely evaporated. The bottom of the skillet should be dry, indicating that all moisture has cooked off. This process concentrates the mushroom flavor. Remove from heat and let cool to room temperature.
  • Sprinkle the shredded Swiss (or other chosen) cheese evenly over the bottom of your chilled pastry crust. This creates a delicious barrier and a cheesy base.
  • Evenly spread the cooled mushroom mixture on top of the cheese layer in the pastry crust. Ensure an even distribution for consistent flavor in every slice.
  • In a medium bowl, whisk together the eggs, light cream, the remaining ½ teaspoon of salt, pepper, nutmeg, and cayenne until the mixture is smooth and well combined. Carefully pour this rich custard mixture over the mushrooms and cheese in the pastry crust, filling it almost to the top.
  • Place the quiche in the preheated 425℉ (220℃) oven and bake for 15 minutes. After 15 minutes, without opening the oven door, reduce the oven temperature to 350℉ (180℃) and continue to bake for an additional 30-35 minutes. The quiche is done when the top is beautifully golden brown, and the center is slightly puffed up and just set. A slight jiggle in the very center is acceptable.
  • Remove the quiche from the oven and let it cool on a wire rack for 10-15 minutes before attempting to cut into it. This resting period allows the custard to fully set, ensuring clean, perfect slices. Serve it slightly warm or at room temperature for the best experience.

Notes

Feel free to use a diverse mix of any wild mushrooms you have available, such as chanterelles, porcini, or morels, for a deeper and more complex flavor. Alternatively, readily available button mushrooms or cremini mushrooms also make for a delicious and satisfying quiche.

For an exceptionally rich and decadent quiche, consider substituting light cream entirely with heavy cream, or using a 50/50 blend of both. This adjustment will yield a truly luxurious and silky custard filling that elevates the quiche to gourmet status.

Nutrition

Calories: 401kcalCarbohydrates: 17gProtein: 10gFat: 33gSaturated Fat: 18gPolyunsaturated Fat: 2gMonounsaturated Fat: 10gTrans Fat: 0.1gCholesterol: 177mgSodium: 543mgPotassium: 312mgFiber: 2gSugar: 2gVitamin A: 944IUVitamin C: 2mgCalcium: 165mgIron: 1mg
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