Leek And Mushroom Quiche (Gruyère Cheese) (2024)

Published: Dec 5, 2023 by Imsen · This post may contain affiliate links · 11 Comments

This Leek and mushroom quiche is cooked with homemade flakey shortcrust pastry that is incredibly creamy, cheesy, and flavorful. The vegetarian quiche is ideal for a light dinner, brunch, lunch, or breakfast.

The culinary world is a treasure trove of delightful dishes, and one that stands out for its rich flavor and versatility is the Leek and Mushroom Quiche (Quiche aux Poireaux). This exquisite dish not only tantalizes the taste buds but also captures the essence of a perfect brunch or breakfast. In this article, we delve into the art of crafting a Leek and Mushroom Quiche, exploring the ingredients, preparation, and culinary magic that unfolds in every bite.

If you want to try more recipes like this leek and mushroom quiche you can take a look at this magnificent Air Fryer Cheesy Potato Wedges, Greek Yogurt Chicken, or this beautiful The Best Creamy Mozzarella Shrimp Pasta.

❓ What's Leek And Mushroom Quiche

A Leek and Mushroom Quiche is not just a dish; it's a culinary journey that combines the freshness of leeks, the earthiness of mushrooms, and the creamy richness of eggs and cheese. Whether enjoyed for brunch, breakfast, or any meal in between, this quiche is a testament to the artistry of flavor that can be achieved with simple yet thoughtfully selected ingredients. So, roll up your sleeves, gather your kitchen essentials, and embark on the delightful adventure of crafting your own Leek and Mushroom Quiche.

🧾 Ingredients Needed

As much as the ingredients are pretty much simple, I've made a couple of notes regarding some of them below.

• Fresh Leeks: Leeks bring a mild, sweet flavor and a subtle onion-like aroma to the quiche. When selecting leeks, opt for ones with firm, white stalks and vibrant green leaves.
• Mushrooms: The earthy richness of mushrooms complements the leeks, adding depth to the quiche. Choose a variety like cremini or button mushrooms for a robust flavor.
• Quiche Crust: A buttery and flaky crust serves as the foundation for the quiche. You can opt for a store-bought crust for convenience or prepare a homemade one for that extra touch of love.
• Eggs: Eggs are the binding agent that gives the quiche its luscious texture. Fresh, free-range eggs contribute to a velvety consistency.
• Cream or Milk: Adding cream or milk enhances the creaminess of the quiche filling. Heavy cream imparts a luxurious texture, while milk offers a lighter alternative.
• Cheese: A generous amount of cheese, such as Gruyere or Swiss, elevates the flavor profile. The cheese not only melts into a gooey delight but also forms a golden crust on top.
• Seasonings: A dash of salt, pepper, and perhaps a pinch of nutmeg or herbs, adds the perfect balance of flavors to the quiche.

See the recipe card below for precise ingredients and measurements.

📖 Variations

The Leek and Mushroom Quiche is a versatile dish that lends itself well to various creative variations. Here are some exciting twists you can consider:

• Spinach and Feta Quiche: Replace the mushrooms with fresh spinach and incorporate crumbled feta cheese into the filling. The combination of spinach's earthiness and the tangy flavor of feta adds a delightful Mediterranean touch.
• Sun-Dried Tomato and Goat Cheese Quiche: Introduce a burst of flavor with sun-dried tomatoes and creamy goat cheese. The sweet and tangy notes of the tomatoes paired with the distinctive taste of goat cheese create a quiche that's both sophisticated and delicious.
• Broccoli and Cheddar Quiche: Swap the mushrooms for blanched broccoli florets and mix in sharp cheddar cheese. The broccoli adds a fresh, crisp texture, while the cheddar brings a bold, cheesy flavor to the quiche.
• Smoked Salmon and Dill Quiche: Elevate your quiche with luxurious smoked salmon and aromatic dill. Layer thin slices of smoked salmon on the crust before pouring in the filling, and sprinkle fresh dill over the top. This variation offers a unique and elegant seafood twist.
• Asparagus and Gruyere Quiche: Embrace the bright, grassy flavors of asparagus combined with the nuttiness of Gruyere cheese. The result is a quiche that's not only visually appealing but also bursting with fresh, seasonal goodness.
• Mushroom and Truffle Oil Quiche: For a gourmet touch, retain the mushrooms in the filling and drizzle truffle oil over the top before baking. This addition imparts a luxurious aroma and enhances the overall umami experience.
• Caramelized Leek and Blue Cheese Quiche: Elevate the flavor profile by caramelizing the leeks for added sweetness and incorporating crumbled blue cheese. The combination of the sweet leeks and the bold, tangy blue cheese creates a sophisticated and decadent quiche.
• Tomato and Basil Quiche: Introduce a burst of freshness with ripe tomatoes and aromatic basil. Layer sliced tomatoes on the crust, sprinkle fresh basil over the filling, and finish with a touch of Parmesan cheese. This variation is perfect for a light and summery quiche.

‍👩🏻‍🍳 How to Make Leek and Mushroom Quiche

In this section, I can't wait to show you how easy it is to make this quiche.

*Be sure to check the recipe card down below for the full ingredients list & instructions!*

STEP 1

Leek and Mushroom Saute: Begin by cleaning and slicing the leeks. Saute them in a pan with butter until softened. Add the sliced mushrooms and continue cooking until both ingredients are tender and have released their flavors.

STEP 2

Quiche Filling: In a bowl, whisk together eggs and cream or milk. Season the mixture with salt, pepper, and any chosen herbs or spices. Stir in the sauteed leeks and mushrooms, creating a delectable filling.

TIP: Leeks can sometimes retain soil between their layers, so it's crucial to clean them thoroughly. Cut off the dark green tops and the root end of the leeks, leaving the white and light green parts. Slice the leeks lengthwise, and then chop them into half-moons.

STEP 3

Assemble the Quiche: Pour the prepared filling into the pre-baked crust. Sprinkle the grated cheese evenly over the top.

STEP 4

Bake the Quiche: Place the quiche in the preheated oven and bake for 30-35 minutes or until the filling is set, and the top is golden brown.

TIP: Blind baking, or pre-baking the crust before adding the filling, is crucial to achieving a crisp and flaky crust, especially when dealing with a moist filling like a quiche.

STEP 5

Cool and Serve: Allow the quiche to cool for a few minutes before slicing. Serve warm and enjoy the delightful flavors of your homemade Leek and Mushroom Quiche.

🥣 How to Serve

• Side Accompaniments: Serve the quiche with a side salad, such as a simple mixed greens salad with a light vinaigrette. The crispness of the salad complements the creamy texture of the quiche.
• Condiments: Offer condiments like Dijon mustard or a tangy chutney on the side. These add a layer of complexity to each bite and allow diners to customize their experience.
• Beverage Pairing: Pair the quiche with a refreshing beverage. Consider serving it with sparkling water, or a light and fruity iced tea.
• Brunch Spread: If serving for brunch, create a brunch spread with a variety of accompaniments. Include fresh fruit, yogurt, and pastries to make it a well-rounded and satisfying meal.
• Buffet Style: For larger gatherings, serve the quiche on a buffet table alongside other brunch or lunch items. This allows guests to help themselves with the quiche and additional dishes.
• Individual Servings: If you're hosting a more formal event, consider making mini quiches in individual tart pans. This provides an elegant presentation and makes serving easier.

You could also serve it with chicken breast such as my delicious crispy chicken parmesan, or some grilled chicken like this grilled buffalo chicken.

❄️ Storage and Freezer Instructions

Storing and freezing a Leek and Mushroom Quiche requires careful handling to maintain its texture and flavor. Here's a guide on how to store and freeze your quiche:

Storing:

1. Refrigeration:
   • Allow the quiche to cool to room temperature after baking.
   • Cover the quiche tightly with plastic wrap or aluminum foil or transfer it to an airtight container.
   • Refrigerate for up to 3-4 days.
2. Individual Slices:
   • If you've already sliced the quiche, place parchment paper between the slices to prevent them from sticking together.
   • Store individual slices in an airtight container or wrap them tightly in plastic wrap.

Freezing:

1. Whole Quiche:
   • If you want to freeze the entire quiche, wait until it has cooled completely.
   • Wrap the quiche tightly in plastic wrap and then in aluminum foil to create a double layer of protection against freezer burn.
   • Label the package with the date to keep track of freezing time.
   • Freeze for up to 2-3 months.
2. Individual Slices:
   • For convenient single servings, slice the quiche before freezing.
   • Wrap each slice tightly in plastic wrap and then in aluminum foil.
   • Place the individually wrapped slices in a labeled, airtight container.
   • Freeze for up to 2-3 months.

Thawing and Reheating:

1. Whole Quiche:
   • To thaw a whole quiche, transfer it from the freezer to the refrigerator and allow it to thaw overnight.
   • Once thawed, reheat the quiche in a preheated oven at 350°F (175°C) for about 20-25 minutes or until warmed through.
2. Individual Slices:
   • Thaw individual slices in the refrigerator or use the defrost function on your microwave.
   • Reheat in the oven at 350°F (175°C) for approximately 10-15 minutes or until warmed through.
3. Maintaining Quality:
   • While reheating, covering the quiche with foil can help retain moisture and prevent the crust from over-browning.
   • If the crust becomes too soft after thawing, you can crisp it up by briefly placing the quiche in a preheated oven.

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