The Best Spinach Mushroom Feta Quiche Recipe

A spinach mushroom feta quiche is a versatile and delicious dish that works for any meal of the day. With a flaky, buttery crust and a creamy, cheesy filling, it’s packed with flavor and nutrients. Whether you’re preparing brunch for guests or looking for a quick make-ahead meal, this quiche is a great option.

In this article, you’ll learn:
✔ How to make the perfect crust from scratch
✔ The best way to cook mushrooms and spinach for maximum flavor
✔ Baking tips for a perfectly set quiche
✔ Storage, reheating, and serving ideas

By the end, you’ll have a foolproof recipe for a spinach mushroom feta quiche that’s both delicious and easy to make.

Ingredients for Spinach Mushroom Feta Quiche

Before we dive into the step-by-step process of making this delicious spinach mushroom feta quiche, let’s start with the ingredients. Using fresh, high-quality ingredients will ensure that your quiche turns out flavorful and perfectly textured.

Essential Ingredients for the Crust

A well-made crust is the foundation of a great quiche. You can use homemade or store-bought pie crust, but making it from scratch ensures a flaky, buttery texture.

Homemade Quiche Crust Ingredients:

• 1 ½ cups all-purpose flour – Provides the structure for the crust.
• ½ cup unsalted butter, cold and cubed – Cold butter ensures a flaky texture.
• ½ teaspoon salt – Enhances the overall flavor.
• 3-4 tablespoons ice water – Helps bind the dough together without making it too wet.

Tip: If you prefer a shortcut, a store-bought refrigerated pie crust works well too!

Key Ingredients for the Filling

The filling is what makes this quiche truly irresistible. A combination of fresh vegetables, eggs, cream, and cheese creates a creamy, savory dish.

Vegetables & Dairy:

• 1 tablespoon olive oil – For sautéing the mushrooms.
• 1 cup fresh mushrooms, sliced – Adds a rich, umami flavor.
• 2 cups fresh spinach, chopped – A great source of vitamins and color.
• 4 large eggs – The base that holds everything together.
• 1 cup heavy cream (or half-and-half) – Makes the filling creamy and smooth.

Seasonings & Cheese:

• ½ teaspoon salt – Balances the flavors.
• ¼ teaspoon black pepper – Adds a slight kick.
• ½ teaspoon garlic powder – Enhances the depth of flavor.
• 1 cup crumbled feta cheese – Provides a tangy, salty contrast.

Tip: If you’re not a fan of feta, you can substitute it with goat cheese, cheddar, or Swiss cheese.

Optional Add-Ins for Extra Flavor

Want to customize your Spinach Mushroom Feta Quiche? Here are some extra ingredients to enhance the flavor:

How to Make the Perfect Crust

The crust is one of the most important elements of a great Spinach Mushroom Feta Quiche. A flaky, buttery crust provides a delicious contrast to the creamy filling. While you can use a store-bought pie crust, making your own from scratch elevates the flavor and texture.

Homemade vs. Store-Bought Crust

Tip: If using store-bought crust, make sure to pre-bake it before adding the filling to prevent a soggy bottom.

Step-by-Step Guide to Making a Flaky, Buttery Crust for your Spinach Mushroom Feta Quiche

1. Prepare the Dough

1. In a large mixing bowl, whisk together 1 ½ cups all-purpose flour and ½ teaspoon salt.
2. Add ½ cup cold, cubed butter and cut it into the flour using a pastry cutter or your hands until the mixture looks like coarse crumbs.
3. Slowly add 3-4 tablespoons ice water, one tablespoon at a time, mixing until the dough just comes together.
4. Form the dough into a disk, wrap it in plastic wrap, and refrigerate for at least 30 minutes.

2. Roll Out the Dough

1. Lightly flour a clean surface and rolling pin.
2. Roll the chilled dough into a 12-inch circle, about ¼-inch thick.
3. Carefully transfer the dough to a 9-inch pie dish, pressing it gently into the edges.
4. Trim any excess dough and crimp the edges for a decorative look.

3. Blind Bake the Crust

Blind baking ensures the quiche crust doesn’t turn soggy when the filling is added.

1. Preheat the oven to 375°F (190°C).
2. Prick the bottom of the crust with a fork to prevent air bubbles.
3. Line the crust with parchment paper and fill it with pie weights, dried beans, or rice.
4. Bake for 10 minutes, then remove the weights and bake for another 5 minutes until lightly golden.

Tip: If using a store-bought crust, follow the package instructions for blind baking.

Preparing the Filling

The filling is the heart of any great quiche. To achieve a creamy, flavorful, and well-balanced filling, we need to properly prepare the spinach, mushrooms, eggs, and feta cheese.

Step 1: Cooking the Mushrooms for Maximum Flavor

Mushrooms add a rich, umami depth to the quiche, but they contain a lot of moisture. Cooking them properly ensures they don’t make the quiche watery.

Steps to Sauté Mushrooms the Right Way:

1. Heat 1 tablespoon olive oil in a large pan over medium heat.
2. Add 1 cup sliced fresh mushrooms and cook without stirring for the first 2-3 minutes—this helps them brown properly.
3. Stir occasionally and cook for another 3-4 minutes, until the mushrooms are golden brown and any liquid has evaporated.
4. Remove from heat and set aside to cool slightly.

Tip: Don’t overcrowd the pan—mushrooms need space to brown properly!

Step 2: Prepping the Spinach to Avoid Sogginess

Spinach is packed with water, which can make the quiche soggy if not handled properly. Follow these steps to prevent excess moisture:

• Roughly chop 2 cups of fresh spinach.

• Add the spinach to the same pan used for the mushrooms and cook for 1-2 minutes until wilted. (No need for extra oil.)

• Transfer the spinach to a paper towel and press gently to remove any excess liquid.

Alternative: If using frozen spinach, thaw it completely and squeeze out excess water before adding it to the quiche.

Step 3: Whisking the Egg and Cream Mixture

The eggs and cream mixture gives the quiche its rich, custard-like texture. Here’s how to mix it correctly:

• In a large mixing bowl, whisk together:
  • 4 large eggs
  • 1 cup heavy cream (or half-and-half for a lighter option)
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • ½ teaspoon garlic powder (optional, for extra flavor)
• Whisk until fully combined and smooth

Tip: For a lighter version, you can use milk instead of heavy cream, but the texture will be less rich.

Step 4: Combining the Ingredients for a Balanced Filling

Now, it’s time to bring everything together!

Add the sautéed mushrooms and spinach to the egg mixture and stir gently.

Crumble 1 cup of feta cheese and fold it into the mixture.

Ensure all ingredients are evenly distributed for a consistent flavor in every bite.

Tip: For a creamier quiche, add ½ cup of shredded cheese like cheddar or Swiss along with the feta.

Assembling and Baking the Quiche

Now that the crust is pre-baked and the filling is ready, it’s time to put everything together and bake the quiche until it’s golden, creamy, and perfectly set.

Layering the Ingredients Properly

The way you layer the ingredients affects the texture of the quiche. To prevent the quiche from becoming too dense or uneven, follow this order:

Spread the sautéed mushrooms and spinach evenly over the bottom of the pre-baked crust.Sprinkle the crumbled feta cheese evenly over the vegetables.Slowly pour the egg and cream mixture over the filling.

Crust Troubleshooting Tips

Variations and Substitutions

One of the best things about quiche is its versatility. You can easily modify this spinach mushroom feta quiche to suit different dietary needs or flavor preferences. Whether you want a low-carb, dairy-free, or protein-packed version, there are plenty of ways to customize this recipe.

1. Crustless Quiche (Low-Carb & Gluten-Free Option)

If you’re following a low-carb or gluten-free diet, you can skip the crust entirely and make a crustless quiche.

How to Make a Crustless Quiche:

1. Grease a 9-inch pie dish with butter or non-stick spray.
2. Follow the same instructions for preparing the filling.
3. Pour the filling directly into the dish.
4. Bake at 350°F (175°C) for 30-35 minutes, until the center is set.
   
   Tip: Crustless quiche tends to cook faster, so check for doneness around the 30-minute mark.

2. Dairy-Free Quiche (Lactose-Free Alternative)

Want to make a dairy-free quiche? Swap out the cream and cheese for these alternatives:

Tip: If using plant-based milk, choose an unsweetened, neutral-flavored option like cashew or oat milk.

3. Extra Protein-Packed Quiche

Want to make your quiche more filling? Add some extra protein:

• Chopped cooked bacon – Adds a smoky, salty flavor.
• Diced ham or turkey – A classic addition to quiche.
• Grilled chicken strips – Great for a heartier meal.

Tip: If adding meat, cook it beforehand to remove excess moisture.

4. Other Cheese and Vegetable Options

If you’re not a fan of feta cheese, try these tasty alternatives:

You can also swap the spinach and mushrooms for other veggies:

• Bell peppers – Sweet and slightly crunchy
• Asparagus – Adds a fresh, earthy bite
• Broccoli – Pairs well with cheddar
• Zucchini – Adds moisture and a mild taste

Tip: Always pre-cook vegetables before adding them to quiche to remove excess water.

5. Spicing Things Up: Herb & Seasoning Additions

Want more depth of flavor? Try these additions:

• Nutmeg (¼ tsp) – Enhances the creamy texture
• Fresh basil – Pairs well with feta and spinach
• Dill – Complements feta’s tanginess
• Paprika – Adds a mild smoky flavor

Serving Suggestions

A spinach mushroom feta quiche is delicious on its own, but pairing it with the right side dishes and beverages can turn it into a complete meal. Whether you’re serving it for breakfast, brunch, lunch, or dinner, here are the best complementary foods to enhance your meal.

If you’re making this quiche for brunch, pair it with light and fresh sides to balance its creamy texture.

1. Best Brunch Pairings:

2. Side Dishes for a Heartier Meal

If you’re serving quiche for lunch or dinner, you might want more filling side dishes.

• Garlic Bread or Toasted Baguette – Adds crunch and texture
• Soup (Tomato Basil, Butternut Squash, or French Onion) – A warm and comforting combo
• Roasted or Steamed Asparagus – A light and elegant side
• Grilled Vegetables (zucchini, bell peppers, and eggplant) – Enhances the meal with smoky flavors

Tip: Pairing quiche with a warm bowl of soup and crusty bread makes for a cozy, satisfying meal.

3. Best Drinks to Pair with Quiche

A well-chosen beverage can elevate your quiche experience. Here are some great drink pairings:

☕ Coffee or Espresso – Complements the richness of the quiche
🍊 Fresh Orange or Grapefruit Juice – Adds a citrusy brightness
🍵 Herbal Tea (Chamomile, Mint, or Green Tea) – Light and refreshing

4. Turning Quiche into a Full Brunch Spread

If you’re hosting a brunch gathering, consider adding these extra dishes to create a well-rounded meal:

✔ A selection of pastries – Croissants, muffins, or scones
✔ Smoked salmon platter – With capers, red onions, and cream cheese
✔ Scrambled eggs or an omelet station – For guests who want more protein
✔ A yogurt parfait bar – With fresh fruit, nuts, and granola

Storage and Reheating Tips

Quiche is one of the best make-ahead dishes, making it perfect for meal prep, brunch gatherings, or quick weekday meals. Whether you want to store it in the fridge or freeze it for later, following the right storage and reheating methods will keep it fresh and delicious.

1. How to Store Quiche in the Fridge

If you plan to eat your quiche within a few days, storing it in the refrigerator is the best option.

Steps for Refrigerating Quiche:

1. Let the quiche cool completely at room temperature (about 30 minutes).
2. Cover it tightly with plastic wrap or aluminum foil. Alternatively, place it in an airtight container.
3. Store it in the refrigerator for up to 4 days.

Tip: If you store individual slices, wrap them separately so you can grab one at a time without exposing the rest to air.

Steps for freezing a Fully Baked Quiche:

1. Let the quiche cool completely after baking.
2. Wrap it tightly in plastic wrap, then in aluminum foil to prevent freezer burn.
3. Place it in a freezer-safe bag or airtight container.
4. Label with the date and freeze for up to 3 months.

Steps fo freezing an Unbaked Quiche:

1. Assemble the quiche but do not bake it.
2. Wrap the entire dish tightly with plastic wrap and aluminum foil.
3. Freeze for up to 2 months.
4. When ready to bake, do NOT thaw—bake directly from frozen at 375°F (190°C) for 50-55 minutes.

Tip: Freezing unbaked quiche prevents the crust from getting soggy!

2. Best Methods for Reheating Quiche

Reheating quiche properly ensures it stays crispy on the outside and creamy inside.

How to Reheat Quiche in the Oven (Best Method)

1. Preheat the oven to 350°F (175°C).
2. Place the quiche on a baking sheet.
3. Cover loosely with foil to prevent excessive browning.
4. Heat for 15-20 minutes (whole quiche) or 7-10 minutes (individual slices).
5. Remove foil in the last 5 minutes for a crispier crust.

Tip: This method preserves the texture better than microwaving.

How to Reheat Quiche in the Microwave (Faster Method)

1. Place a slice of quiche on a microwave-safe plate.
2. Heat on 50% power for 1-2 minutes to prevent rubbery eggs.
3. Let it sit for 1 minute before eating.

Tip: Adding a small glass of water in the microwave while reheating prevents the quiche from drying out!

Steps for reheating Quiche in an Air Fryer

1. Preheat the air fryer to 320°F (160°C).
2. Place a slice of quiche in the basket.
3. Heat for 4-6 minutes until warmed through.

Tip: The air fryer keeps the crust extra crispy compared to the microwave!

FAQs – Answering Your Quiche Questions

A spinach mushroom feta quiche is a versatile, delicious, and easy-to-make dish perfect for breakfast, brunch, or even dinner. With a flaky crust, creamy filling, and flavorful ingredients, it’s a great recipe to keep in your rotation. Whether you’re making it for a weekend brunch or meal-prepping for the week, this quiche is sure to impress!

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