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If you’re searching for a savory slice of comfort that dazzles with vibrant flavors and a luscious texture, this Caramelised Onion, Feta & Spinach Quiche Recipe is exactly what you need. Imagine tender, sweet caramelised onions mingling with the tangy creaminess of feta and the fresh, green pop of spinach—all nestled in a flaky, buttery crust. It’s perfect for breakfast, lunch, or even a cozy dinner shared with friends and family. Once you try this quiche, it might just become your go-to whenever you crave something both hearty and elegant.
Ingredients You’ll Need
The beauty of this recipe lies in its simplicity. Each ingredient plays a pivotal role in creating that rich, layered flavor and eye-catching appeal that make this quiche so irresistible.
- 1 pie crust (store-bought or homemade): Provides a flaky, buttery foundation that holds all those delicious fillings perfectly.
- 2 tablespoons olive oil: Essential for gently caramelising the onions to bring out their natural sweetness.
- 2 large onions, thinly sliced: The star ingredient that adds deep, golden sweet notes after slow cooking.
- 1 teaspoon sugar: A tiny pinch to help speed the caramelisation process and enhance the onions’ sweetness.
- 1/2 teaspoon salt: Balances the flavors and helps draw moisture out of the onions during caramelising.
- 4 large eggs: The binder that gives the quiche its custardy, velvety texture.
- 1 cup heavy cream: Adds rich creaminess and a luxurious mouthfeel.
- 1 cup fresh spinach, chopped: Introduces a fresh, vibrant green punch that brightens the dish.
- 1 cup feta cheese, crumbled: Brings a tangy, salty bite that complements the sweetness of the onions.
- 1/2 teaspoon black pepper: Adds a subtle hint of warmth and spice, perfect for balance.
- 1/4 teaspoon nutmeg: A warm, aromatic touch that lifts the savory flavors beautifully.
- 1/2 cup shredded mozzarella cheese (optional): For those craving an extra cheesy, melty topping that’s simply irresistible.
How to Make Caramelised Onion, Feta & Spinach Quiche Recipe
Step 1: Prepare the Crust
Preheat your oven to 375°F. If you’re using a store-bought crust, fit it neatly into a 9-inch pie dish and prick the bottom with a fork to prevent bubbling. Pop it into the oven and bake for 10 minutes to get that crust nicely set and slightly golden. Setting the crust early helps avoid sogginess once the filling is poured in.
Step 2: Caramelise the Onions
This step might be the soul of the quiche. Warm the olive oil in a skillet over medium heat, then add your thinly sliced onions along with sugar and salt. Stir occasionally and patiently cook them for about 20 to 25 minutes. You’ll know they are ready when they turn a beautiful golden brown and fill your kitchen with mouthwatering sweetness. Let them cool slightly before moving on.
Step 3: Mix the Filling
In a large bowl, whisk together the eggs, heavy cream, black pepper, and nutmeg until smooth and combined. Then, gently fold in the chopped spinach and crumbled feta cheese. The fresh greens add a lovely pop of color and nutrition, while the feta’s saltiness balances the onions wonderfully.
Step 4: Combine and Fill
Once your caramelised onions have cooled enough, carefully fold them into the egg mixture. This creates a perfect harmony of sweet, tangy, and creamy flavors. Pour the entire filling into your pre-baked pie crust, spreading it evenly.
Step 5: Add Cheese and Bake
If you’re feeling indulgent, sprinkle the shredded mozzarella cheese over the top for an extra dimension of golden, melty goodness. Place the quiche in your oven and bake for 30 to 35 minutes or until the filling is set, lightly golden on top, and just a little puffed. Let it cool for about 10 minutes before slicing—it helps the quiche hold its shape perfectly.
How to Serve Caramelised Onion, Feta & Spinach Quiche Recipe
Garnishes
For an elegant finish, consider fresh herbs like chopped parsley, chives, or even a sprinkle of freshly cracked black pepper. A drizzle of good quality olive oil or a scatter of toasted pine nuts can add an unexpected but delicious crunch.
Side Dishes
This quiche pairs beautifully with light, fresh accompaniments. A crisp green salad with lemon vinaigrette, roasted cherry tomatoes, or a simple cucumber and radish salad would brighten up the meal effortlessly. For heartier options, roasted potatoes or a bowl of soup create a satisfying feast.
Creative Ways to Present
Cut this quiche into neat wedges and serve them on individual salad plates for a casual lunch or brunch with friends. For a buffet, bite-sized quiche cups made in mini muffin tins using the same filling are a fun and portable alternative. You can also experiment with layering extra veggies or swapping cheeses to make each quiche your own masterpiece.
Make Ahead and Storage
Storing Leftovers
Once cooled completely, store your quiche leftovers in an airtight container or cover tightly with plastic wrap. It will keep beautifully in the refrigerator for 3 to 4 days, maintaining its flavor and texture. This makes it perfect for easy weekday breakfasts or quick meals on the fly.
Freezing
If you want to keep the magic for even longer, this quiche freezes well. Wrap it tightly with plastic wrap and foil or place it in a freezer-safe container. It can be stored for up to 2 months. When ready to eat, thaw overnight in the fridge for the best results.
Reheating
To enjoy your quiche warm again, reheat slices in a preheated oven at 350°F for about 15 to 20 minutes. This method preserves the flaky crust and creamy filling beautifully. Avoid microwaving if possible, as it can sometimes make the crust soggy.
FAQs
Can I use a homemade pie crust for this quiche?
Absolutely! Homemade pie crust adds a wonderful personal touch and often an irresistible buttery flavor, but a store-bought crust works just as well for convenience without compromising taste.
Is this quiche suitable for freezing and reheating?
Yes, this quiche freezes wonderfully. Wrap it carefully, freeze up to 2 months, and reheat in the oven for the best texture and flavor.
Can I substitute the spinach with other greens?
Definitely! Kale, Swiss chard, or even arugula can be used, but keep in mind that stronger greens will alter the flavor slightly. Just cook them lightly before adding to the mixture if they’re tougher.
What if I don’t have heavy cream?
You can use half-and-half or whole milk mixed with a little extra egg yolk for richness, though the texture may be slightly less decadent.
Is the mozzarella cheese necessary?
Not at all! The mozzarella topping is optional and adds extra cheesiness. The quiche is delicious without it because of the feta and the richness of the filling.
Final Thoughts
This Caramelised Onion, Feta & Spinach Quiche Recipe is an absolute crowd-pleaser that’s both approachable and bursting with flavors that feel thoughtfully crafted. Whether you’re making it for a casual day or a special occasion, this quiche promises to warm hearts and fill bellies. Don’t hesitate—gather these simple ingredients and create a dish everyone will ask for again and again.
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Caramelised Onion, Feta & Spinach Quiche Recipe
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour
- Yield: 6 servings
- Category: Brunch
- Method: Baking
- Cuisine: French
- Diet: Vegetarian
Description
This Caramelised Onion, Feta & Spinach Quiche is a savory and flavorful dish featuring sweet caramelized onions, tangy feta cheese, and fresh spinach baked in a flaky pie crust. Perfect for breakfast, brunch, or a light dinner, this quiche offers a delightful balance of creamy and cheesy textures with a hint of spice from nutmeg and black pepper.
Ingredients
Pie and filling
- 1 pie crust (store-bought or homemade)
- 2 tablespoons olive oil
- 2 large onions, thinly sliced
- 1 teaspoon sugar
- 1/2 teaspoon salt
- 4 large eggs
- 1 cup heavy cream
- 1 cup fresh spinach, chopped
- 1 cup feta cheese, crumbled
- 1/2 teaspoon black pepper
- 1/4 teaspoon nutmeg
- 1/2 cup shredded mozzarella cheese (optional)
Instructions
- Preheat Oven. Preheat your oven to 375°F (190°C) to prepare for baking the quiche.
- Prepare Pie Crust. Fit the store-bought or homemade pie crust into a 9-inch pie dish and prick the bottom with a fork to prevent bubbling.
- Pre-bake Crust. Bake the crust in the preheated oven for 10 minutes to set it. Remove and set aside.
- Caramelize Onions. Heat olive oil in a large skillet over medium heat. Add the thinly sliced onions, sugar, and salt. Cook, stirring occasionally, for 20-25 minutes until onions are golden brown and caramelized.
- Cool Onions. Remove the skillet from the heat and allow the caramelized onions to cool slightly.
- Mix Filling. In a mixing bowl, whisk together eggs, heavy cream, black pepper, and nutmeg until smooth and combined.
- Add Spinach and Feta. Stir chopped spinach and crumbled feta cheese into the egg mixture.
- Combine Onions with Filling. Fold the cooled caramelized onions into the egg and cheese mixture thoroughly.
- Fill Pie Crust. Pour the prepared filling into the pre-baked pie crust evenly.
- Add Mozzarella (Optional). Sprinkle shredded mozzarella cheese over the top for added flavor and a golden crust if desired.
- Bake Quiche. Place the pie dish in the oven and bake for 30-35 minutes, or until the filling is set and the top is lightly golden brown.
- Cool and Serve. Let the quiche cool for about 10 minutes before slicing. Serve warm or at room temperature for best taste.
Notes
- You can use either store-bought or homemade pie crust based on your preference.
- Caramelizing the onions slowly is key to bringing out their natural sweetness, so avoid rushing this step.
- Adding shredded mozzarella on top is optional but adds a nice cheesy crust.
- Quiche can be served warm or at room temperature, making it versatile for any meal.
- Leftover quiche can be stored in the refrigerator and reheated gently before serving.
