Spinach & Mushroom Feta Quiche Recipe for Brunch Today

Spinach & Mushroom Feta Quiche is a savory baked custard tart filled with tender spinach, sautéed mushrooms, and tangy feta cheese. This Spinach & Mushroom Feta Quiche yields a creamy, well-set filling that balances salty feta with earthy mushrooms and bright spinach. I often serve it warm for brunch or chilled for picnic-style lunches paired with a crisp salad.

For additional spinach and feta inspiration, try my take on creamy gnocchi variations linked here for a complementary side. Creamy gnocchi with spinach and feta offers a richer, pasta-driven option when you want heartier accompaniment.

Why This Recipe Works

Spinach & Mushroom Feta Quiche works because the custard sets firmly while staying creamy, giving structure and comfort in every bite. The eggs and heavy cream form a glossy, delicate custard that carries the savory flavors of sautéed mushrooms and salty feta without overpowering the filling.

My experience shows that pre-cooking the vegetables removes excess moisture and concentrates flavor, preventing a watery quiche and ensuring the filling bakes evenly. I prefer feta for its tang and texture; it crumbles and melts slightly, adding bright pockets of flavor in each slice.

Ingredients

Step-by-Step Instructions

Follow these steps to assemble and bake the quiche with confidence and predictable results.

Prepare the oven and vegetables

1. Preheat the oven to 350°F (175°C).
2. Heat olive oil or butter in a skillet over medium heat.
3. Sauté mushrooms until soft, stirring occasionally to brown evenly.
4. Add chopped spinach to the skillet and cook until wilted, then remove from heat and let cool slightly.

Mix the custard and combine

5. Whisk eggs, heavy cream, salt, and pepper together in a bowl until fully blended.
6. Fold the sautéed spinach and mushrooms into the egg mixture until combined and evenly distributed.

Assemble and bake

7. Grease a pie dish and pour the egg-vegetable mixture into the dish, spreading it evenly.
8. Top the mixture with crumbled feta, distributing evenly across the surface.
9. Bake for 25-30 minutes, or until the quiche is set and slightly golden on top.
10. Allow to cool for a few minutes, slice, and serve warm.

Chef Tips for Perfect Results

• Use room-temperature eggs and cream to help the custard set smoothly and avoid cracking during baking.
• Salt the mushrooms lightly while sautéing to draw out moisture and speed up browning for concentrated flavor.
• Drain excess liquid from the cooked vegetables in a fine mesh sieve to prevent a watery quiche filling.
• Check doneness by gently shaking the dish; the center should be slightly jiggly but not liquid for perfect set.
• Let the quiche rest for five minutes after baking to allow the custard to finish setting and make slicing cleaner.

Common Mistakes to Avoid

Pre-cooking vegetables improperly causes a soggy quiche, so remove as much moisture as possible after sautéing. If the cooked spinach or mushrooms release liquid, press them in a sieve or paper towel to extract moisture before adding to the custard.

Overfilling the pie dish leads to uneven baking and possible spills; use a standard 9-inch pie dish or reduce the filling slightly. If the quiche rises excessively and peaks, reduce oven temperature by 10-15 degrees Celsius and bake until set to prevent overbrowning.

Under-seasoning the filling yields flat flavor because feta contributes salt but not all savory notes; taste the beaten custard before adding feta and season cautiously. If the mixture tastes bland, add a small pinch of salt and a grind of black pepper before baking.

Baking at too high a temperature causes the top to brown while the center remains unset, so maintain the recommended 350°F for even cooking. If the top browns too quickly, tent loosely with foil until the center is fully set.

Variations and Substitutions

Use these ingredient swaps to adapt the quiche for dietary preferences without losing the core texture and flavor balance.

For a richer mushroom focus, explore a complementary entree like my creamy mushroom fettuccine for a fuller mushroom experience. Creamy mushroom fettuccine alfredo pairs exceptionally well when you want an indulgent mushroom-forward meal.

Serving Suggestions and Pairings

Serve Spinach & Mushroom Feta Quiche warm or at room temperature with a crisp salad and bright vinaigrette for balanced texture and acidity. Pair with a simple arugula salad dressed with lemon and olive oil, or a light cucumber-dill salad for cool contrast on brunch menus.

For casual gatherings, offer crusty sourdough, roasted cherry tomatoes, and a chilled white wine such as Sauvignon Blanc or a light Pinot Grigio. For vegetarian brunch menus, include a chickpea feta avocado salad as a protein-rich side to complement the quiche’s creamy custard. Chickpea feta avocado salad makes a colorful and satisfying accompaniment for leisurely weekend meals.

Storage and Reheating

Nutritional Information

Frequently Asked Questions

Can I make this quiche without heavy cream?

Yes, you can substitute half-and-half or whole milk for heavy cream to reduce richness. The custard will be slightly lighter and less dense, but eggs still provide structure for a set filling. To retain creaminess, do not thin more than recommended; reduce milk substitution by only a small proportion if possible.

How do I know when the quiche is fully cooked?

The quiche is done when the center is mostly set with a slight jiggle and the top is lightly golden. Insert a knife near the center; it should come out clean or with minimal moist custard residue but not liquid. If the center seems underdone, bake for an additional five minutes and check again.

Why did my quiche become watery and how can I fix it?

Excess moisture from vegetables causes a watery quiche and releasing liquid during baking is the usual culprit. Prevent this by sautéing mushrooms and spinach until most moisture evaporates, then drain in a sieve or press with paper towels before combining with the egg mixture. If the quiche is already watery, bake longer at a low temperature to allow moisture to evaporate and the custard to set more firmly.

Can I prepare this quiche ahead of time?

Yes, you can assemble the quiche and refrigerate it unbaked for up to 24 hours before baking. Cover tightly with plastic wrap to prevent odors from other foods transferring, then bake from chilled with a few extra minutes added to the cook time. Alternatively, bake fully and refrigerate, then reheat portions when ready to serve.

What are the best ways to serve quiche for brunch or dinner?

Serve slices warm or at room temperature alongside a crisp green salad, roasted vegetables, or crusty bread for contrast. Pair with light wines or herbal iced tea for brunch, and a fuller-bodied white for evening meals for balanced complement to the savory custard. For entertaining, offer small slices as part of a brunch buffet paired with seasonal fruit platters and savory pastries.

Conclusion

Spinach & Mushroom Feta Quiche delivers reliable, savory satisfaction with a creamy custard, tender vegetables, and salty feta highlights. Make this quiche for a simple brunch, weekday dinner, or make-ahead picnic option and enjoy the bright spinach and earthy mushroom flavors. The result is a comforting, well-balanced quiche that showcases its signature feta tang and savory depth.

Spinach & Mushroom Feta Quiche

A savory baked custard tart filled with tender spinach, sautéed mushrooms, and tangy feta cheese, perfect for brunch or picnic-style lunches.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Course Brunch

Cuisine Modern European

Servings 6 slices

Calories 320 kcal

Ingredients

  

Main Ingredients

• 4 large Large eggs Use room-temperature eggs for even blending; substitute 6 egg whites for lower fat.
• 1 cup Heavy cream Use half-and-half for lighter custard; whole milk will thin the filling slightly.
• 1 cup Spinach, chopped Baby spinach works well; substitute kale for firmer texture, sauté longer first.
• 1 cup Mushrooms, sliced Cremini or button mushrooms are ideal; use shiitake for deeper umami flavor.
• 1 cup Feta cheese, crumbled Use block feta crumbled for best texture; goat cheese gives creamier tang.
• to taste Salt and pepper Season conservatively; feta adds salt so taste before final seasoning.
• Olive oil or butter Use olive oil for brightness, butter for richer flavor; use a neutral oil if preferred.

Instructions

 

Preparation

• Preheat the oven to 350°F (175°C).
• Heat olive oil or butter in a skillet over medium heat.
• Sauté mushrooms until soft, stirring occasionally to brown evenly.
• Add chopped spinach to the skillet and cook until wilted, then remove from heat and let cool slightly.

Mixing Custard

• Whisk eggs, heavy cream, salt, and pepper together in a bowl until fully blended.
• Fold the sautéed spinach and mushrooms into the egg mixture until combined and evenly distributed.

Baking

• Grease a pie dish and pour the egg-vegetable mixture into the dish, spreading it evenly.
• Top the mixture with crumbled feta, distributing evenly across the surface.
• Bake for 25-30 minutes, or until the quiche is set and slightly golden on top.
• Allow to cool for a few minutes, slice, and serve warm.

Notes

Use room-temperature ingredients for best results. Drain excess liquid from cooked vegetables to avoid a watery quiche. Allow resting time after baking for cleaner slicing.

Keyword Brunch Recipe, Quiche, Savory Tart, Spinach Feta Quiche, Vegetarian