Savory Spinach and Onion Quiche

Highlighted under: Cozy Home-Cooked Recipes

I absolutely love this Savory Spinach and Onion Quiche! It’s perfect for brunch or a light dinner. The combination of fresh spinach and sweet onions creates a delightful flavor that I can't resist. I often whip it up when I have weekend guests, and it never fails to impress. Plus, it's easy to customize with whatever cheese or herbs I have on hand. This quiche can be enjoyed warm or at room temperature, making it incredibly versatile for any occasion.

Emily

Created by

Emily

Last updated on 2026-03-05T05:58:22.430Z

When I first made this quiche, it was a spontaneous decision using what I had left in the fridge—spinach and onions. The result was nothing short of amazing! The creamy custard baked to perfection with a flaky crust complements the savory filling beautifully.

After experimenting a few times, I found that sautéing the onions beforehand enhances their sweetness and adds depth to the flavor profile. Don't skip this step, as it really elevates the dish. Trust me, it’s a game changer!

Why You'll Love This Recipe

  • Fresh spinach packed with nutrients
  • Caramelized onions for a sweet, savory flavor
  • Versatile dish – great for any meal of the day

The Importance of Fresh Ingredients

Using fresh spinach is key for achieving that vibrancy and rich flavor in your quiche. Opt for organic spinach if possible, as it often has a more robust taste. When chopping, avoid over-processing to maintain some texture, which adds a delightful bite to your dish. Selecting sweet onion varieties like Vidalia enhances the caramelization process, bringing out their natural sugars and resulting in a deeply satisfying flavor that pairs beautifully with the creamy custard.

Another important aspect is the cheese. While Gruyere is traditional, feel free to experiment with other cheeses like feta, goat cheese, or even sharp cheddar for a change in flavor profile. Just remember that the moisture content can affect the quiche's consistency; for instance, if using a wetter cheese, consider reducing the heavy cream slightly.

Perfecting the Baking Process

Baking your quiche at a consistent temperature of 375°F (190°C) is essential for achieving an evenly cooked custard. Keep an eye on the edges; they should be set while the center remains slightly jiggly. If the crust starts to brown too quickly, shield the edges with aluminum foil. Using a pie crust protector can also help to maintain a golden-brown color throughout the baking process without burning the edges.

After baking, it's crucial to let the quiche rest for at least 10 minutes before slicing. This allows the custard to firm up, making for cleaner cuts. If you're preparing this in advance, you can refrigerate it after cooling for up to two days. Reheat in a low oven covered with foil to prevent drying out, ensuring that it remains just as delicious as when it was first baked.

Ingredients

Gather all the ingredients you'll need for this delightful quiche.

Ingredients for Quiche

  • 1 pre-made pie crust
  • 2 cups fresh spinach, chopped
  • 1 cup onions, sliced
  • 3 large eggs
  • 1 cup heavy cream
  • 1 cup shredded cheese (Gruyere or your choice)
  • Salt and pepper to taste
  • 1 tablespoon olive oil

Once you've gathered everything, you're ready to start preparing your quiche!

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Instructions

Follow these steps to create your delicious quiche from scratch.

Prepare the Vegetables

In a skillet, heat olive oil over medium heat. Add the sliced onions and sauté until golden brown, about 10 minutes. Then, stir in the spinach and cook until wilted, about 2 minutes. Remove from heat and set aside.

Make the Custard

In a bowl, whisk together the eggs and heavy cream. Add salt and pepper to taste. Fold in the sautéed vegetables and shredded cheese until well combined.

Assemble the Quiche

Preheat your oven to 375°F (190°C). Place the pie crust in a quiche or pie dish. Pour the egg mixture into the crust, spreading evenly.

Bake

Bake in the preheated oven for 35-40 minutes or until the center is set and the top is lightly browned. Let it cool for a few minutes before slicing.

Enjoy your homemade quiche warm or at room temperature!

Pro Tips

  • For a richer flavor, consider adding crumbled bacon or herbs such as thyme or dill.

Storing Leftovers

If you have leftover quiche, it can be stored in an airtight container in the fridge for up to three days. Quiche can also be frozen; slice it into portions, wrap each in plastic wrap, then place them in a freezer-safe bag. It will keep well for up to two months. To reheat, allow it to thaw overnight in the refrigerator and then warm it gently in the oven at 350°F (175°C), covering it with foil to retain moisture.

For best results, avoid freezing a quiche that's been filled with watery vegetables like tomatoes or zucchini, as they can lead to a soggy texture once thawed. Stick with firmer fillers, and if you want to include these ingredients, consider roasting them first to reduce their moisture content.

Customizing Your Quiche

This quiche recipe is incredibly adaptable. Feel free to add herbs like thyme, basil, or oregano for extra depth of flavor. You can also switch up the vegetables—like bell peppers, mushrooms, or leeks—based on what you have on hand or what's in season. Just be sure to sauté any raw vegetables beforehand to mitigate excess moisture that could make your quiche soggy.

When it comes to the egg and cream mixture, you can adjust the ratios depending on how rich you'd like your quiche. For a lighter option, substitute half the cream with milk or plant-based alternatives. If you're looking for a protein boost, consider adding cooked bacon or ham for an extra layer of flavor that pairs perfectly with the spinach and onions.

Questions About Recipes

→ Can I use frozen spinach instead of fresh?

Yes, you can use frozen spinach. Just make sure to thaw and drain it well to avoid excess moisture in the quiche.

→ How long does quiche last in the fridge?

Quiche can last in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving.

→ Can I make this quiche ahead of time?

Absolutely! You can prepare the quiche a day in advance and bake it just before serving.

→ What other ingredients can I add?

Feel free to add cooked ham, mushrooms, or different types of cheese for variety.

Savory Spinach and Onion Quiche

I absolutely love this Savory Spinach and Onion Quiche! It’s perfect for brunch or a light dinner. The combination of fresh spinach and sweet onions creates a delightful flavor that I can't resist. I often whip it up when I have weekend guests, and it never fails to impress. Plus, it's easy to customize with whatever cheese or herbs I have on hand. This quiche can be enjoyed warm or at room temperature, making it incredibly versatile for any occasion.

Prep Time15 minutes
Cooking Duration40 minutes
Overall Time55 minutes

Created by: Emily

Recipe Type: Cozy Home-Cooked Recipes

Skill Level: Intermediate

Final Quantity: 8 servings

What You'll Need

Ingredients for Quiche

  1. 1 pre-made pie crust
  2. 2 cups fresh spinach, chopped
  3. 1 cup onions, sliced
  4. 3 large eggs
  5. 1 cup heavy cream
  6. 1 cup shredded cheese (Gruyere or your choice)
  7. Salt and pepper to taste
  8. 1 tablespoon olive oil

How-To Steps

Step 01

In a skillet, heat olive oil over medium heat. Add the sliced onions and sauté until golden brown, about 10 minutes. Then, stir in the spinach and cook until wilted, about 2 minutes. Remove from heat and set aside.

Step 02

In a bowl, whisk together the eggs and heavy cream. Add salt and pepper to taste. Fold in the sautéed vegetables and shredded cheese until well combined.

Step 03

Preheat your oven to 375°F (190°C). Place the pie crust in a quiche or pie dish. Pour the egg mixture into the crust, spreading evenly.

Step 04

Bake in the preheated oven for 35-40 minutes or until the center is set and the top is lightly browned. Let it cool for a few minutes before slicing.

Extra Tips

  1. For a richer flavor, consider adding crumbled bacon or herbs such as thyme or dill.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 24g
  • Saturated Fat: 12g
  • Cholesterol: 205mg
  • Sodium: 450mg
  • Total Carbohydrates: 19g
  • Dietary Fiber: 1g
  • Sugars: 2g
  • Protein: 9g