Easy Mushroom Spinach Quiche Recipe: Perfect For Breakfast Or Brunch

how to make mushroom spinach quiche

Mushroom spinach quiche is a delightful and versatile dish that combines the earthy flavors of mushrooms with the freshness of spinach, all nestled in a creamy egg custard and encased in a flaky pie crust. Perfect for breakfast, brunch, or even dinner, this savory quiche is both comforting and elegant. Making it at home is surprisingly straightforward, requiring just a few simple ingredients and basic kitchen techniques. From sautéing the mushrooms and spinach to whisking together the egg mixture and blind-baking the crust, each step contributes to a harmonious blend of textures and flavors. Whether you're a seasoned cook or a beginner, this recipe offers a rewarding culinary experience and a delicious result that’s sure to impress.

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Crust Preparation: Choose between homemade or store-bought crust; blind bake for a crispy base

The foundation of any quiche lies in its crust, and the decision between homemade and store-bought is your first critical choice. Homemade crusts offer unparalleled control over ingredients—opt for a classic butter-based pâte brisée for richness, or experiment with whole wheat for a nuttier flavor. Store-bought crusts, on the other hand, save time without sacrificing quality, especially if you choose all-butter or gluten-free varieties. Whichever you pick, the goal is a sturdy, flaky base that complements the creamy mushroom-spinach filling.

Blind baking is non-negotiable for achieving a crisp, golden crust that holds up under the quiche’s custard. Preheat your oven to 375°F (190°C) and line the crust with parchment paper, filling it with pie weights or dried beans to prevent shrinking. Bake for 15 minutes, then remove the weights and parchment, and bake for an additional 5–7 minutes until lightly browned. This step ensures the crust doesn’t become soggy from the egg mixture, a common pitfall in quiche-making.

If you’re using a store-bought crust, follow the package instructions for blind baking, but keep a close eye on it—these crusts can brown quickly. For homemade crusts, a tip to enhance flavor is to brush the interior with a thin layer of Dijon mustard or melted butter before blind baking, adding a subtle depth that pairs well with savory fillings.

The choice between homemade and store-bought ultimately depends on your time, skill, and preference. Homemade crusts allow for customization and pride in craftsmanship, while store-bought options streamline the process for busy cooks. Regardless, blind baking is the secret to a professional finish, ensuring every slice holds together beautifully. Master this step, and your mushroom spinach quiche will stand out for its texture as much as its taste.

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Filling Ingredients: Sauté spinach, mushrooms, onions, and garlic; mix with eggs, cream, and cheese

The foundation of a stellar mushroom spinach quiche lies in its filling, a harmonious blend of sautéed vegetables and creamy custard. Begin by sautéing spinach, mushrooms, onions, and garlic—a quartet that forms the savory backbone of your dish. Heat 2 tablespoons of olive oil in a large skillet over medium heat. Add 1 finely chopped onion and 3 minced garlic cloves, stirring until translucent, about 3 minutes. Toss in 8 ounces of sliced mushrooms and cook until they release their moisture and brown slightly, roughly 5 minutes. Finally, add 10 ounces of fresh spinach in batches, wilting it down until just tender. This step not only develops deep flavors but also removes excess moisture, preventing a soggy quiche.

Once your vegetables are sautéed, it’s time to marry them with the custard base—a mixture of eggs, cream, and cheese that binds the filling together. In a bowl, whisk 4 large eggs until smooth, then gradually incorporate 1 cup of heavy cream. For a richer, tangier profile, substitute half the cream with sour cream or crème fraîche. Stir in 1 cup of grated cheese—Cheddar for sharpness, Swiss for nuttiness, or Gruyère for a classic French touch. Season with salt, pepper, and a pinch of nutmeg to enhance the flavors without overpowering them. Pro tip: Let the custard sit for 10 minutes before pouring it over the vegetables to ensure even distribution.

The interplay between the sautéed vegetables and the custard is where science meets art. The eggs and cream provide structure and creaminess, while the cheese adds depth and acts as a flavor bridge between the earthy mushrooms and the delicate spinach. To avoid a watery filling, pat the sautéed vegetables dry with a paper towel before mixing them with the custard. This step is crucial, as excess moisture can seep into the crust during baking, compromising its texture. For an extra layer of indulgence, sprinkle an additional ½ cup of cheese over the filling before baking, creating a golden, bubbly crown.

Finally, consider the balance of textures and flavors. The sautéed onions and garlic should melt into the background, enhancing the umami of the mushrooms and the freshness of the spinach. The custard should be just set, with a slight jiggle in the center when the quiche is removed from the oven. Allow it to cool for 15 minutes before slicing to let the filling firm up. This quiche is versatile—serve it warm for a comforting meal or at room temperature for a picnic-friendly dish. Master this filling, and you’ll have a recipe that’s as adaptable as it is irresistible.

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Assembly Tips: Layer vegetables and cheese in crust; pour egg mixture evenly; avoid overfilling

Layering vegetables and cheese in your quiche crust isn't just about aesthetics—it's about ensuring even distribution of flavors and textures. Start by pre-cooking your mushrooms and spinach to remove excess moisture, which can make your crust soggy. Spread a thin layer of grated cheese (like Swiss or Gruyère) over the bottom of the crust to act as a barrier, then add your vegetables in an even, compact layer. This foundation prevents the egg mixture from seeping through and keeps the crust crisp. Think of it as building a house: a sturdy base supports everything above it.

Pouring the egg mixture requires precision to avoid overfilling, which can lead to spillage or an undercooked center. Whisk together 3 large eggs, 1 cup of heavy cream, a pinch of nutmeg, salt, and pepper until smooth. Slowly pour the mixture over the vegetables and cheese, stopping about ¼ inch from the top of the crust. This allows room for the eggs to puff slightly during baking without overflowing. Use a spoon to gently guide the mixture into any gaps, ensuring it settles evenly. Imagine you’re filling a delicate vase—careful, steady, and just to the right point.

Overfilling is a common pitfall that can ruin your quiche’s texture and appearance. Resist the urge to pack in extra ingredients, as the egg mixture expands during baking. If you’re using a standard 9-inch pie crust, stick to 2 cups of vegetables and 1 cup of cheese to maintain balance. Too much filling not only risks spillage but can also result in a dense, unevenly cooked quiche. Picture a well-tailored suit—everything fits just right, with no excess to detract from the final result.

Finally, take a moment to assess your quiche before sliding it into the oven. Tap the pan lightly to settle the egg mixture and check for any air pockets. If you notice uneven distribution, use a fork to gently rearrange the vegetables or cheese. This final step ensures your quiche bakes uniformly, with every slice delivering the perfect blend of creamy eggs, savory cheese, and tender vegetables. It’s the difference between a good quiche and a great one—attention to detail in the assembly.

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Baking Instructions: Bake at 375°F for 35-45 minutes; check for golden crust and set filling

The final stage of crafting a mushroom spinach quiche hinges on precise baking. Preheat your oven to 375°F, a temperature that balances crust browning with filling cooking. This heat level ensures the pastry achieves a golden hue without burning, while the eggs and vegetables set into a creamy, cohesive texture. Aim for a baking time of 35 to 45 minutes, but remember, ovens vary—start checking at the 30-minute mark to avoid overcooking.

A quiche is done when the filling no longer jiggles in the center when gently shaken. Insert a toothpick near the center; it should come out clean, indicating the eggs are fully set. The crust should be a deep golden brown, a visual cue that complements the internal doneness. If the edges brown too quickly, tent them with foil to prevent burning while the interior finishes cooking.

Comparing this to other baked dishes, quiche requires a more delicate touch. Unlike a casserole, which can tolerate longer cooking times, quiche’s egg-based filling can become rubbery if overbaked. Conversely, underbaking results in a runny, unappetizing center. This 35-45 minute window at 375°F strikes the ideal balance, ensuring a quiche that’s both structurally sound and pleasantly custardy.

Practical tips can elevate your baking precision. Use an oven thermometer to verify your oven’s actual temperature, as built-in gauges often misread. Place the quiche on a lower rack to promote even heat distribution and prevent the bottom crust from staying pale. Let the quiche rest for 10 minutes after baking; this allows the filling to firm up further, making slicing cleaner and presentation more polished.

In essence, mastering the bake is the linchpin of a perfect mushroom spinach quiche. By adhering to the 375°F temperature and 35-45 minute timeframe, while vigilantly checking for a golden crust and set filling, you ensure a dish that’s both visually appealing and texturally harmonious. This step transforms a collection of ingredients into a cohesive, satisfying meal.

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Serving Suggestions: Let cool for 10 minutes; pair with salad or soup; store leftovers refrigerated

After baking your mushroom spinach quiche to golden perfection, resist the urge to slice into it immediately. Letting it cool for 10 minutes is crucial. This brief resting period allows the custard to set fully, ensuring clean slices that showcase the quiche's layered textures—the flaky crust, the creamy egg mixture, and the hearty mushroom-spinach filling. Cutting too soon risks a messy collapse, undermining the dish's visual appeal and structural integrity.

Pairing your quiche with a complementary side transforms it from a standalone dish into a well-rounded meal. A crisp green salad dressed with a tangy vinaigrette adds freshness and contrasts the quiche's richness, while a bowl of warm soup—perhaps a light tomato bisque or a creamy leek variety—enhances its comfort-food qualities. For a more substantial spread, consider serving it alongside crusty bread or a selection of roasted vegetables. The key is balance: let the quiche remain the star while the accompaniments elevate the overall dining experience.

Leftovers, if any, should be handled with care to preserve flavor and safety. Allow the quiche to cool completely at room temperature before refrigerating, as this prevents condensation from forming inside the storage container, which can make the crust soggy. Wrap it tightly in plastic wrap or store it in an airtight container to maintain freshness. Refrigerated quiche keeps well for 3–4 days. To reheat, warm individual slices in a preheated oven at 350°F (175°C) for 10–15 minutes, avoiding the microwave, which can render the crust limp.

For those planning ahead, quiche also freezes beautifully. Wrap cooled slices in foil and place them in a freezer-safe bag, removing as much air as possible. Label with the date, and consume within 1–2 months. Thaw overnight in the refrigerator before reheating as directed. This makes quiche an excellent make-ahead option for busy weeks or impromptu gatherings, ensuring you always have a savory, satisfying dish at the ready.

Finally, consider the occasion when serving quiche. Its versatility shines at brunches, light lunches, or even as a sophisticated dinner entrée. For brunch, pair it with fresh fruit and mimosas; for dinner, a glass of Chardonnay or a dry rosé complements its earthy flavors. Presentation matters too—serve on a wooden board or a rustic platter to enhance its homey charm. With thoughtful pairing and proper storage, your mushroom spinach quiche becomes more than a dish—it’s an experience.

Frequently asked questions

You’ll need pie crust (store-bought or homemade), eggs, heavy cream or milk, fresh spinach, mushrooms, cheese (such as Swiss or cheddar), onion, garlic, salt, pepper, and nutmeg.

Sauté the mushrooms and onions in butter until softened, then add garlic and spinach until wilted. Drain excess moisture to prevent a soggy quiche.

Yes, you can prepare and bake the quiche a day in advance. Store it in the refrigerator and reheat in the oven before serving.

Pre-bake the pie crust (blind bake) for about 10 minutes before adding the filling. Also, ensure the mushroom and spinach mixture is well-drained to reduce excess liquid.

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