Name: Crispy Mushroom Tart Recipe
Prep time: 10 min
Cook time: PT-489885H16M45S
Total time: PT-489885H16M45S
Cuisine: European
Ingredients: 250 g Swiss brown mushrooms, sliced; 150 g white button mushrooms, sliced; 1 sheet puff pastry, thawed; 1 brown onion, diced; 4 garlic cloves, minced; 60 g cheddar cheese, grated; 3 tsp olive oil, divided; Handful chopped parsley; Salt and pepper, to taste

Print Recipe· 4.4 from 13 reviews

If you adore the rich, earthy flavors of mushrooms paired with a flaky, golden crust, then this Crispy Mushroom Tart Recipe will quickly become your new favorite indulgence. It’s a beautiful blend of tender Swiss brown and white button mushrooms, caramelized onions, garlic, and sharp cheddar cheese all nestled atop a buttery puff pastry that crisps up perfectly in the oven. Whether you’re serving it for a cozy dinner or impressing guests, this tart brings comfort, flavor, and a stunning presentation to your table every time.

Ingredients You’ll Need

The image shows ingredients for cooking arranged on a white marbled surface. There is a white bowl filled with whole brown mushrooms placed near the center top. Next to it on the right, there is a small wooden bowl with dried green herbs. Below the mushrooms, two shallots with their skin on are placed side by side. To the right of the shallots, a white bowl is filled with shredded pale yellow cheese. Below the cheese bowl, a small round wooden bowl holds salt and pepper. To the left of this bowl, a small speckled plate contains a square of pale yellow butter. Near the bottom left, a small white bowl is filled with golden olive oil. To the far left side near the top, folded light beige sheets of puff pastry rest on a piece of parchment paper. All items are neatly arranged, showcasing clear textures and natural colors. Photo taken with an iphone --ar 4:5 --v 7

Gathering simple yet essential ingredients is the key to unlocking the deliciousness of this tart. Each component plays a vital role, from the savory mushrooms adding depth, to the cheddar cheese that creates a melty, savory layer, all brought together by the crisp puff pastry that provides incredible texture and structure.

250 g Swiss brown mushrooms: These offer a rich, meaty flavor that stands out beautifully in the tart.
150 g white button mushrooms: A milder mushroom that balances the boldness of the Swiss browns.
1 puff pastry sheet: This flaky base crisps marvelously in the oven, giving the tart its signature crunch.
1 brown onion: Adds a subtle sweetness when sautéed, enhancing the overall flavor profile.
4 garlic cloves: Infuse warmth and aromatic depth into the mushroom mixture.
60 g cheddar cheese, grated: Brings a sharp, creamy contrast that melts beautifully over the mushrooms.
3 tsp olive oil: For sautéing ingredients and brushing the pastry edges to golden perfection.
Handful chopped parsley: Adds a fresh, bright touch as a final garnish.
Salt and pepper to taste: Essential seasoning that enhances all the flavors.

How to Make Crispy Mushroom Tart Recipe

Step 1: Preheat and Prepare

Begin by preheating your oven to a hearty 200°C (400°F), setting the stage for a crisp, golden puff pastry finish. This ensures that the pastry bakes evenly and that your tart achieves that irresistible crunch every time.

Step 2: Sauté the Aromatics

Dice your brown onion and garlic cloves finely; these will become the aromatic backbone of the tart. Sauté the onion in 2 teaspoons of olive oil over medium heat until it turns translucent and soft. Then, add the garlic to the skillet, letting it cook gently alongside the onions to release a fragrant, savory base.

Step 3: Cook the Mushrooms

Slice both the Swiss brown and white button mushrooms thinly, then toss them into the skillet on high heat. This step is crucial as it allows the mushrooms to brown deeply, concentrating their earthy flavor. When they start to caramelize, drizzle the remaining teaspoon of olive oil and season generously with salt and pepper. Remove from heat and let this flavorful mixture cool slightly—it will make assembling the tart much easier.

Step 4: Prepare the Puff Pastry Base

Thaw your puff pastry sheet and lay it flat on a baking tray lined with parchment paper. To help the edges rise beautifully and contain the toppings, lightly score a one-inch border around the edges without cutting through the pastry completely. For a crust that stays crisp, prick a few holes in the center with a fork to allow steam to escape as it bakes.

Step 5: Assemble the Tart

Sprinkle the grated cheddar cheese evenly within the scored border of the puff pastry—this melts into a savory base that complements the mushrooms perfectly. Carefully spoon the mushroom mixture over the cheese. To achieve a gloriously golden crust, brush the border lightly with olive oil or egg wash before popping it into the oven.

Step 6: Bake to Perfection

Bake your tart in the preheated oven for 15 to 20 minutes or until the pastry is puffed and golden brown. Once out of the oven, sprinkle chopped parsley on top to brighten the flavors and add a lovely pop of color. Cut into four generous squares and prepare for a mouthwatering experience.

How to Serve Crispy Mushroom Tart Recipe

The image shows four square pieces of golden-brown puff pastry arranged closely on a white marbled surface with a sheet of light parchment paper underneath. Each puff pastry square has three visible layers: a flaky, crispy outer crust with a shiny golden hue, a creamy light yellow layer beneath it, and a thick topping of cooked, caramelized dark brown mushrooms with some hints of darker char marks scattered evenly. Small chopped green herbs are sprinkled over the mushrooms, adding a fresh color contrast. The edges of the puff pastry are puffed and crisp, with some loose flaky pieces around the tart. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh chopped parsley is the perfect finishing touch for this tart—it brings a burst of vibrant green and a subtle herbal freshness that complements the earthy mushrooms beautifully. If you want to amp up the flavor, a light drizzle of truffle oil or a sprinkle of flaky sea salt just before serving can elevate this dish to a gourmet level.

Side Dishes

The Crispy Mushroom Tart Recipe pairs wonderfully with a simple mixed green salad tossed in a light vinaigrette to cut through the richness. Roasted vegetables, such as asparagus or carrots, also make excellent companions, adding seasonality and balance to your meal.

Creative Ways to Present

For a stunning appetizer, consider cutting the tart into small, bite-sized squares and serving on a wooden board garnished with extra parsley. You can also serve it alongside a bowl of creamy soup for a cozy, comforting lunch that looks as good as it tastes.

Make Ahead and Storage

Storing Leftovers

If you’re lucky enough to have leftovers, store them in an airtight container in the refrigerator for up to 2 days. This will help preserve the crispness of the pastry as much as possible, although the texture will soften slightly.

Freezing

To freeze your Crispy Mushroom Tart Recipe, wrap it tightly in cling film and then foil to avoid freezer burn. You can keep it frozen for up to one month. When ready to enjoy, thaw overnight in the refrigerator for best results.

Reheating

Reheat leftovers in a preheated oven at 180°C (350°F) for about 10 minutes to revive the crispiness of the pastry. Avoid microwaving, as this will make the crust soggy and less enjoyable.

FAQs

Can I use other types of mushrooms for this recipe?

Absolutely! While Swiss brown and white button mushrooms give great flavor and texture, feel free to experiment with cremini, shiitake, or oyster mushrooms for a unique twist.

Is it possible to make this tart vegan?

Yes, you can substitute the cheddar cheese with a vegan cheese alternative and use olive oil or a plant-based butter for brushing the pastry edges. Be sure to check your puff pastry is also vegan-friendly.

Can I prepare the mushroom mixture ahead of time?

Definitely! The sautéed mushroom mixture can be made a day in advance and stored in the refrigerator, making the assembly on baking day quick and easy.

What can I use instead of puff pastry?

While puff pastry gives that signature flaky crust, you can use a shortcrust pastry for a denser, buttery base. Just adjust baking times accordingly to ensure it cooks through.

How do I ensure the pastry stays crispy under the toppings?

Pricking the center of the pastry allows steam to escape, preventing sogginess. Additionally, using cheese as a barrier under the mushrooms and brushing the edges with oil or egg wash helps maintain that lovely crisp texture.

Final Thoughts

This Crispy Mushroom Tart Recipe is a delicious way to celebrate the flavors of mushrooms with a buttery, flaky crust that’s simply irresistible. Whether you’re cooking for friends, family, or indulging solo, it’s a dish that feels special yet comes together with ease. Give it a try and watch how quickly it becomes a star in your recipe collection!