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Caramelised Onion, Feta & Spinach Quiche: A Delicious Recipe!

bakedinone
September 29, 2025
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Caramelised Onion, Feta & Spinach Quiche

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Introduction to Caramelised Onion, Feta & Spinach Quiche

Hey there, fellow home cooks! If you’re anything like me, you know that life can get a bit hectic, especially when juggling family, work, and everything in between. That’s why I’m excited to share my go-to recipe for Caramelised Onion, Feta & Spinach Quiche. This dish is not only a delightful treat for your taste buds but also a quick solution for those busy days when you want to impress your loved ones without spending hours in the kitchen. Trust me, this quiche is a crowd-pleaser that brings warmth and comfort to any meal!

Why You’ll Love This Caramelised Onion, Feta & Spinach Quiche

This Caramelised Onion, Feta & Spinach Quiche is a true gem in the kitchen! It’s incredibly easy to whip up, making it perfect for busy weeknights or leisurely brunches. The combination of sweet caramelised onions, tangy feta, and fresh spinach creates a flavor explosion that will have your family asking for seconds. Plus, it’s versatile enough to serve warm or at room temperature, so you can enjoy it anytime!

Ingredients for Caramelised Onion, Feta & Spinach Quiche

Let’s dive into the delicious components that make up this Caramelised Onion, Feta & Spinach Quiche. Each ingredient plays a vital role in creating that perfect balance of flavors and textures. Here’s what you’ll need:

  • Pie Crust: You can use a store-bought crust for convenience or whip up a homemade one if you’re feeling adventurous. Either way, it’s the foundation of your quiche!
  • Olive Oil: This is essential for sautéing the onions. It adds a lovely richness and helps achieve that golden caramelization.
  • Onions: Two large onions, thinly sliced, are the star of the show. They’ll transform from sharp and pungent to sweet and savory as they caramelize.
  • Sugar: Just a teaspoon helps to enhance the natural sweetness of the onions during the caramelization process. It’s a little trick that makes a big difference!
  • Salt: A half teaspoon of salt is crucial for bringing out the flavors of the other ingredients. It’s like a magic seasoning that ties everything together.
  • Eggs: Four large eggs provide the quiche with structure and richness. They’re the glue that holds all the delicious fillings together.
  • Heavy Cream: One cup of heavy cream adds a luxurious creaminess to the filling. If you’re looking for a lighter option, feel free to substitute half-and-half.
  • Fresh Spinach: One cup of chopped spinach adds a pop of color and a nutritious boost. Plus, it pairs beautifully with the other flavors!
  • Feta Cheese: One cup of crumbled feta brings a tangy, creamy element that complements the sweetness of the onions perfectly.
  • Black Pepper: A half teaspoon of black pepper adds a subtle kick. It’s the perfect finishing touch to elevate the flavors.
  • Nutmeg: Just a pinch of nutmeg (1/4 teaspoon) adds warmth and depth to the quiche. It’s a classic spice that works wonders in egg dishes.
  • Shredded Mozzarella Cheese (optional): If you want to take your quiche to the next level, sprinkle some mozzarella on top before baking for an extra cheesy goodness!

For exact measurements, you can find them at the bottom of the article, ready for printing. Now that you know what goes into this delightful quiche, let’s get cooking!

How to Make Caramelised Onion, Feta & Spinach Quiche

Now that we have all our ingredients ready, let’s dive into the fun part—making this delicious Caramelised Onion, Feta & Spinach Quiche! Follow these simple steps, and you’ll have a beautiful quiche that’s sure to impress.

Step 1: Preheat the Oven

First things first, let’s get that oven preheating! Set it to 375°F. Preheating is crucial because it ensures that your quiche bakes evenly and sets perfectly. No one wants a soggy bottom, right? So, while the oven warms up, you can tackle the next steps!

Step 2: Prepare the Pie Crust

Next, grab your pie crust. If you’re using a store-bought one, simply fit it into a 9-inch pie dish. Make sure to press it gently against the sides and bottom. Don’t forget to prick the bottom with a fork! This little trick prevents the crust from puffing up while it pre-bakes. Speaking of pre-baking, pop it in the oven for about 10 minutes. This step helps to keep the crust nice and crisp, which is essential for a quiche!

Step 3: Caramelise the Onions

Now, let’s caramelise those onions! In a large skillet, heat 2 tablespoons of olive oil over medium heat. Once it’s hot, add your thinly sliced onions, a teaspoon of sugar, and half a teaspoon of salt. Stir them occasionally, and let them cook for about 20-25 minutes. You’re looking for that beautiful golden-brown color. The sugar helps to enhance their natural sweetness, so don’t rush this step! If they start to stick, just add a splash of water to loosen them up. Trust me, the aroma will be heavenly!

Step 4: Mix the Egg Filling

While the onions are caramelising, let’s whip up the egg filling! In a mixing bowl, crack four large eggs and pour in one cup of heavy cream. Whisk them together until they’re well combined. This is where you can add a half teaspoon of black pepper and a pinch of nutmeg (1/4 teaspoon). These spices add depth and warmth to your quiche, making it even more delicious. Give it a good mix, and set it aside for a moment.

Step 5: Combine Ingredients

Once your onions have cooled slightly, it’s time to bring everything together! Fold in one cup of chopped spinach and one cup of crumbled feta cheese into the egg mixture. Then, gently add the caramelised onions. Be careful not to overmix; you want to keep those lovely layers of flavor intact. This combination is what makes the Caramelised Onion, Feta & Spinach Quiche so special!

Step 6: Bake the Quiche

Now, pour the filling into your pre-baked pie crust. If you’re feeling cheesy, sprinkle some shredded mozzarella on top for that extra gooey goodness! Pop the quiche into the oven and bake for 30-35 minutes. You’ll know it’s done when the top is lightly golden and the filling is set. A little tip: you can gently shake the quiche; if it wobbles slightly in the center, it’s perfect! Let it cool for about 10 minutes before slicing. This waiting time is the hardest part, but it’s worth it!

Caramelised Onion, Feta & Spinach Quiche

Tips for Success

  • Always pre-bake your crust to avoid a soggy bottom.
  • Let the caramelised onions cool slightly before adding them to the egg mixture to prevent curdling.
  • Feel free to experiment with different cheeses like goat cheese or cheddar for a unique twist.
  • For a quicker option, use frozen spinach instead of fresh—just make sure to thaw and drain it well!
  • Don’t skip the nutmeg; it adds a lovely warmth to the quiche.

Equipment Needed

  • 9-inch Pie Dish: A standard pie dish works best, but a tart pan can add a beautiful touch.
  • Large Skillet: Any non-stick skillet will do for caramelising onions.
  • Mixing Bowl: A medium-sized bowl is perfect for whisking the egg mixture.
  • Whisk: A simple whisk or fork will help combine your ingredients smoothly.
  • Fork: Essential for pricking the pie crust and preventing puffing.

Variations of Caramelised Onion, Feta & Spinach Quiche

  • Meat Lover’s Delight: Add cooked bacon or diced ham for a heartier quiche that packs a protein punch.
  • Herb Infusion: Toss in fresh herbs like dill, thyme, or basil to elevate the flavor profile and add a fresh twist.
  • Gluten-Free Option: Use a gluten-free pie crust or make a crustless quiche by greasing the pie dish and pouring the filling directly in.
  • Cheese Swap: Experiment with different cheeses like goat cheese for a tangy flavor or sharp cheddar for a bolder taste.
  • Veggie Boost: Add other vegetables like bell peppers, mushrooms, or zucchini for extra nutrition and flavor.
  • Spicy Kick: Incorporate a pinch of red pepper flakes or diced jalapeños for those who enjoy a little heat in their quiche.

Serving Suggestions for Caramelised Onion, Feta & Spinach Quiche

  • Fresh Salad: Pair your quiche with a light mixed greens salad drizzled with a tangy vinaigrette for a refreshing contrast.
  • Fruit Platter: Serve with a colorful fruit platter for a sweet touch that complements the savory flavors.
  • Wine Pairing: Enjoy with a crisp white wine, like Sauvignon Blanc, to enhance the dish’s richness.
  • Presentation: Garnish with fresh herbs like parsley or chives for a pop of color and added flavor.

FAQs about Caramelised Onion, Feta & Spinach Quiche

As you embark on your culinary adventure with this Caramelised Onion, Feta & Spinach Quiche, you might have a few questions. Don’t worry; I’ve got you covered! Here are some common queries that pop up when making this delightful dish:

1. Can I make the quiche ahead of time?

Absolutely! This quiche is perfect for meal prep. You can assemble it a day in advance and store it in the fridge before baking. Just remember to cover it tightly with plastic wrap. When you’re ready to bake, pop it in the oven straight from the fridge, adding a few extra minutes to the baking time if needed.

2. How do I store leftovers?

If you have any leftovers (which is rare because it’s so delicious!), let the quiche cool completely, then cover it with plastic wrap or aluminum foil. Store it in the fridge for up to 3 days. You can reheat individual slices in the microwave or pop them back in the oven for a few minutes to regain that lovely crispiness.

3. Can I freeze the quiche?

Yes, you can freeze this Caramelised Onion, Feta & Spinach Quiche! Just make sure it’s completely cooled before wrapping it tightly in plastic wrap and then aluminum foil. It can be frozen for up to 2 months. When you’re ready to enjoy it, thaw it in the fridge overnight and reheat in the oven.

4. What can I substitute for feta cheese?

If feta isn’t your thing, no problem! You can use goat cheese for a tangy flavor or even sharp cheddar for a different twist. Just keep in mind that the taste will change slightly, but it’ll still be delicious!

5. Can I add other vegetables to the quiche?

Definitely! Feel free to get creative with your veggies. Bell peppers, mushrooms, or even zucchini can be great additions. Just make sure to sauté them first to remove excess moisture, which helps keep your quiche from getting soggy.

Final Thoughts

Making this Caramelised Onion, Feta & Spinach Quiche is more than just cooking; it’s about creating a moment of joy in your busy life. The sweet aroma of caramelised onions fills your kitchen, wrapping you in warmth and comfort. Each slice is a delightful blend of flavors that brings smiles to the table, whether it’s a casual family dinner or a special brunch with friends. Plus, the versatility of this quiche means you can adapt it to suit your family’s tastes. So, roll up your sleeves, and let’s make some delicious memories together!

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Caramelised Onion, Feta & Spinach Quiche

Caramelised Onion, Feta & Spinach Quiche: A Delicious Recipe!


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  • Author: bakedinone
  • Total Time: 1 hour
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

A delicious Caramelised Onion, Feta & Spinach Quiche recipe that is perfect for any meal.


Ingredients

Scale
  • 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

  1. Preheat the oven to 375°F.
  2. If using a store-bought pie crust, fit it into a 9-inch pie dish and prick the bottom with a fork.
  3. Pre-bake the crust for 10 minutes, then remove from the oven and set aside.
  4. In a large skillet, heat the olive oil over medium heat.
  5. Add the sliced onions, sugar, and salt. Cook, stirring occasionally, for about 20-25 minutes until the onions are caramelized and golden brown.
  6. Remove from heat and let cool slightly.
  7. In a mixing bowl, whisk together the eggs, heavy cream, black pepper, and nutmeg until well combined.
  8. Stir in the chopped spinach and crumbled feta cheese.
  9. Once the onions have cooled, fold them into the egg mixture.
  10. Pour the filling into the pre-baked pie crust.
  11. If desired, sprinkle shredded mozzarella cheese on top for extra flavor.
  12. Bake in the preheated oven for 30-35 minutes, or until the quiche is set and lightly golden on top.
  13. Let the quiche cool for about 10 minutes before slicing. Serve warm or at room temperature.

Notes

  • For a lighter version, substitute half-and-half for the heavy cream.
  • Add cooked bacon or ham for a heartier quiche.
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Main Dish
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 2g
  • Sodium: 500mg
  • Fat: 25g
  • Saturated Fat: 10g
  • Unsaturated Fat: 15g
  • Trans Fat: 0g
  • Carbohydrates: 6g
  • Fiber: 1g
  • Protein: 10g
  • Cholesterol: 150mg

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