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This Mushroom & Swiss Quiche is a delightful dish packed with umami-rich mushrooms, creamy Swiss cheese, and a custardy egg filling encased in a flaky pie crust. Perfect for breakfast, brunch, or even a light lunch, this savory quiche is both hearty and elegant. Whether you’re feeding a crowd or enjoying a cozy weekend at home, this quiche delivers rich flavor and satisfying texture with every bite.

FULL RECIPE

Ingredients

1 9-inch pie crust (store-bought or homemade), pre-baked
1 tablespoon unsalted butter
1 tablespoon olive oil
1 small onion, finely chopped
2 cloves garlic, minced
8 ounces mushrooms (cremini or button), sliced
1 teaspoon fresh thyme leaves (or ½ teaspoon dried thyme)
Salt and pepper to taste
4 large eggs
1 cup whole milk
½ cup heavy cream
1½ cups shredded Swiss cheese
Optional garnish: fresh parsley, chopped

Directions

Preheat oven to 375°F (190°C).
Sauté vegetables: In a large skillet, heat butter and olive oil over medium heat. Add chopped onion and cook for 2–3 minutes until softened. Stir in garlic and cook for another 30 seconds.
Cook mushrooms: Add mushrooms and thyme to the pan. Sauté for 6–8 minutes, stirring occasionally, until the mushrooms release their moisture and are golden brown. Season with salt and pepper. Remove from heat and let cool slightly.
Prepare custard: In a mixing bowl, whisk together eggs, milk, and cream. Stir in shredded Swiss cheese.
Assemble quiche: Spread the sautéed mushroom mixture evenly over the pre-baked pie crust. Pour the egg and cheese mixture on top.
Bake: Place the quiche on the center rack of the oven and bake for 35–40 minutes, or until the center is set and the top is lightly golden.
Cool & serve: Let the quiche rest for 10–15 minutes before slicing. Garnish with parsley if desired. Serve warm or at room temperature.

Nutrition Facts

Calories: 310
Total Fat: 23g
Saturated Fat: 10g
Trans Fat: 0g
Cholesterol: 145mg
Sodium: 320mg
Total Carbohydrates: 14g
Dietary Fiber: 1g
Sugars: 3g
Protein: 12g
Vitamin A: 15% DV
Vitamin C: 3% DV
Calcium: 20% DV
Iron: 6% DV

Flavor Profile of Mushroom & Swiss Quiche

The Mushroom & Swiss Quiche delivers a deeply savory and rich flavor profile. Earthy mushrooms paired with nutty, slightly sweet Swiss cheese create a harmonious blend that’s elevated further by aromatic onions and thyme. The creamy egg custard ties everything together, resulting in a mouthwatering bite every time. This combination satisfies both vegetarians and meat lovers with its meaty texture and full-bodied taste.

Ideal Occasions to Serve

This quiche is incredibly versatile and suits a variety of occasions. It’s perfect for brunches, holiday breakfasts, picnics, or even as a make-ahead meal for busy weekdays. The hearty nature of the dish makes it filling enough to stand as a main course, yet refined enough to impress guests during special gatherings.

Nutritional Highlights

With its mix of eggs, cheese, and mushrooms, this quiche provides a good balance of protein, fats, and essential nutrients. It’s especially rich in calcium and vitamin D from the dairy and eggs, while mushrooms contribute B vitamins and antioxidants. Though it’s indulgent, it can still fit into a balanced diet when served with a light side like salad.

Vegetarian-Friendly Meal Option

One of the key appeals of Mushroom & Swiss Quiche is that it’s completely vegetarian, making it a reliable choice when hosting guests with dietary restrictions. Despite the absence of meat, the umami-rich mushrooms provide enough flavor and substance to satisfy any palate.

Pairing Suggestions

This quiche pairs beautifully with a crisp green salad drizzled with vinaigrette, offering contrast to the rich and creamy interior. It also goes well with roasted vegetables, fruit platters, or light soups. For drinks, consider serving it with freshly squeezed orange juice, herbal tea, or a glass of dry white wine.

Texture Contrast and Appeal

Texture plays a big role in the enjoyment of this dish. The buttery, flaky crust contrasts with the soft and creamy filling. Meanwhile, the sautéed mushrooms add a slight chewiness that complements the tender egg custard, offering a satisfying experience in every bite.

Make-Ahead Convenience

This quiche is ideal for meal prepping as it stores and reheats exceptionally well. It can be made a day in advance and refrigerated or even frozen for future use. Whether served warm or cold, the flavor remains intact, making it a practical choice for busy households.

Seasonal Adaptability

While mushrooms and Swiss cheese form the core, this quiche can be easily adapted to suit seasonal produce. You can incorporate spinach in spring, zucchini in summer, or butternut squash in fall. It offers home cooks the flexibility to tweak the recipe according to what’s fresh and available.

Presentation and Serving Style

Mushroom & Swiss Quiche is not only delicious but also visually appealing. When sliced into wedges, the golden-brown crust and speckled filling make for a beautiful plate presentation. Serving it on a cake stand or pie platter can elevate its aesthetic during brunch buffets or special events.

Kitchen Skill Level Required

This recipe is approachable for both beginner and intermediate home cooks. Basic sautéing and baking are the primary skills required, and many steps can be simplified by using store-bought crust. It’s an excellent gateway recipe for those looking to expand their baking repertoire.

Customizable Add-ins and Variations

Beyond mushrooms and Swiss cheese, you can personalize this quiche with a variety of add-ins. Caramelized onions, sun-dried tomatoes, or even herbs like basil or rosemary can be incorporated. For a spicier version, add a pinch of chili flakes or a few slices of jalapeño.

Perfect Dish for Entertaining

When entertaining guests, a Mushroom & Swiss Quiche can be a show-stopping centerpiece. It serves easily, requiring no special carving or portioning. Plus, it allows you to prep in advance so you can enjoy your time with guests rather than spending it in the kitchen.

Storage and Reheating Tips

Once baked, this quiche can be stored in the fridge for up to four days. To reheat, simply cover with foil and warm in the oven at 325°F for 10–15 minutes. It can also be microwaved, though reheating in the oven helps preserve the crust’s crispiness.

Gluten-Free and Dairy-Free Options

To make this dish more inclusive, gluten-free crust alternatives can be used. Similarly, dairy-free versions of Swiss cheese and non-dairy milk substitutes like almond or oat milk allow those with dietary restrictions to enjoy a modified version without sacrificing flavor.

Balanced Meal Addition

When combined with a high-fiber side like a whole grain toast or a green salad, this quiche forms a balanced meal. It provides a good mix of macronutrients — carbohydrates from the crust, protein from the eggs and cheese, and vitamins from the mushrooms and herbs.

Cultural Significance and French Origins

Quiche has its roots in French cuisine, and this variation pays homage to the classic Quiche Lorraine, replacing the bacon with hearty mushrooms for a vegetarian twist. This evolution makes it more globally accessible while still retaining its European charm.

Budget-Friendly Ingredients

Mushroom & Swiss Quiche uses easily accessible and relatively inexpensive ingredients. Mushrooms are widely available and affordable, and using a simple pie crust keeps costs low. It’s a wallet-friendly dish that doesn’t skimp on taste or presentation.

Conclusion

Mushroom & Swiss Quiche stands out as a rich, hearty, and versatile dish that brings together simplicity and sophistication. Whether you’re making it for a family breakfast or showcasing it at a special event, its savory goodness and customizable nature make it a recipe worth keeping in rotation. With the right pairings and thoughtful tweaks, it can fit almost any occasion and satisfy a wide variety of palates.

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