Spinach and Mushroom Crustless Quiche

Total Time: 1 hr 5 mins Difficulty: Beginner
A savory and satisfying crustless quiche packed with vibrant spinach and earthy mushrooms!
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I still remember the first time I cracked open eggs, cream, and a handful of fresh spinach just to see them come together into a luscious, creamy filling. The moment the quiche slid out of the oven, its top gilded to a perfect golden hue, I knew I had discovered something truly special. Every wedge promises a velvety texture, where tender spinach leaves mingle seamlessly with earthy mushrooms. The subtle warmth of nutmeg and the sharp tang of Parmesan peek through, creating a melody of flavors that feel both comforting and sophisticated. It’s the kind of dish that transforms ordinary ingredients into a celebration of taste and color—no pastry crust required, so you get more of that dreamy custard center.

This crustless quiche is pure magic for anyone looking for a straightforward yet impressive meal. Whether you’re hosting a casual brunch or simply craving something that straddles the line between breakfast and dinner, this recipe has your back. It embraces the freshness of garden-picked spinach and the woodsy depth of sautéed mushrooms while leaning on a rich partnership of eggs, cream, and cheese. And the best part? Even kitchen novices will find the steps delightfully manageable. By the time you’re done, you’ll hold in your hands a dish that looks and tastes like you spent all morning on it—except you whipped it up in less than an hour!

KEY INGREDIENTS IN SPINACH AND MUSHROOM CRUSTLESS QUICHE

Every great recipe starts with high-quality components, and this quiche is no exception. Below, you’ll find the stars of the show—each ingredient playing an essential role in delivering flavor, texture, and richness. From the first sauté to the final golden crust, these elements work in harmony to create a dish that’s both satisfying and pantry-friendly.

  • Olive oil

Adds a fruity, vibrant base for sautéing onions and mushrooms. Its smooth mouthfeel and gentle flavor help carry aroma-rich garlic and tender veggies without overpowering them.

  • Onion

Provides natural sweetness and depth. When diced and sautéed until translucent, it lays the aromatic foundation for the quiche filling.

  • Garlic

Brings a subtle punch of savory warmth that complements both spinach and mushrooms. Minced garlic infuses the olive oil, distributing its flavor evenly.

  • Mushrooms

Offers an earthy, meaty texture that contrasts beautifully with the creamy custard. As they brown, they develop umami-rich notes that add complexity.

  • Spinach

Contributes vibrant color, tenderness, and nutritional value. Wilted just enough to collapse its leaves, spinach blends seamlessly into the custard.

  • Eggs

The binding powerhouse. They set the quiche’s custardy structure and provide a velvety mouthfeel, card-carrying the flavors of every ingredient.

  • Heavy cream

Delivers richness and a smooth, luscious texture. Its high fat content ensures the filling remains silky and indulgent.

  • Milk

Lightens the cream slightly, balancing richness without sacrificing smoothness. It helps the custard attain the perfect consistency.

  • Cheddar cheese

Introduces a sharp, tangy note and melt-in-your-mouth gooeyness. As it bakes, cheddar contributes pockets of molten delight.

  • Salt

Enhances all flavors, intensifying the sweet notes of onion, the earthiness of mushrooms, and the creamy custard.

  • Black pepper

Offers a gentle heat and speckles of aromatic spice throughout the quiche.

  • Nutmeg

Imparts a whisper of warmth and complexity, rounding out the dairy flavors and adding a hint of holiday-like comfort.

  • Parmesan cheese

Sprinkled on top, it creates a crisp, savory crust that crowns the quiche with extra depth and a golden finish.

HOW TO MAKE SPINACH AND MUSHROOM CRUSTLESS QUICHE

Creating this quiche is a step-by-step celebration of textures and flavors, from gently sautéing vegetables to whisking together a luscious custard. Each stage builds upon the last, making for a truly satisfying cooking experience. Let’s walk through the process.

1. Preheat the oven to 350°F (175°C) and lightly grease a 9-inch pie dish or tart pan. This ensures easy release and prevents sticking.

2. In a large skillet, heat the olive oil over medium heat. Add the diced onion and sauté until translucent, about 3–4 minutes, stirring occasionally to soften the edges without browning too much.

3. Add the minced garlic and sliced mushrooms to the skillet. Continue cooking for an additional 5 minutes, stirring gently, until the mushrooms are tender and have released their moisture.

4. Stir in the fresh spinach and cook until wilted, about 2–3 minutes. The leaves should collapse and blend with the mushroom-onion mixture. Remove from heat and let it cool slightly so it doesn’t scramble the eggs in the next step.

5. In a mixing bowl, whisk together the eggs, heavy cream, and milk until well combined, creating a smooth, pale custard base.

6. Stir in the shredded cheddar cheese, salt, black pepper, nutmeg, and the cooled spinach mixture. Ensure everything is evenly distributed for consistent flavor in every slice.

7. Pour the mixture into the prepared pie dish and sprinkle the grated Parmesan cheese on top, creating a savory, golden crust as it bakes.

8. Bake in the preheated oven for 35–40 minutes, or until the quiche is set in the center and the top has turned a beautiful golden brown. A toothpick inserted should come out almost clean, with just a trace of custard.

9. Allow to cool for a few minutes before slicing and serving. This brief rest lets the custard finish setting and makes clean slices easier to achieve.

SERVING SUGGESTIONS FOR SPINACH AND MUSHROOM CRUSTLESS QUICHE

Once your quiche emerges perfectly puffed and golden, it’s time to think about plating and pairing. This section offers creative ideas to elevate your meal, whether you’re hosting a light lunch, an elegant dinner, or a laid-back brunch. From fresh greens to flavor-packed sides, these suggestions help you build a complete culinary experience around your crustless quiche.

  • Serve slices warm alongside a crisp mixed green salad dressed with a bright lemon vinaigrette, balancing the quiche’s richness with tangy freshness.
  • Pair each wedge with roasted cherry tomatoes and a sprinkle of fresh basil for a burst of acidity and herbaceous aroma that complements the creamy filling.
  • Offer a selection of artisan breads—like crusty baguette slices or rustic sourdough—so guests can tear off warm pieces and scoop up every last bite of custard.
  • Create a cozy brunch spread by placing mini jars of fruit preserves (fig, apricot, or strawberry) on the table. A dab of sweet jam on each bite of quiche is an unexpected delight that highlights savory and sweet contrasts.

HOW TO STORE SPINACH AND MUSHROOM CRUSTLESS QUICHE

Leftover quiche is a kitchen treasure, and storing it properly maintains that fresh-from-the-oven magic. Whether you want to enjoy it the next day or plan ahead for a quick grab-and-go breakfast, these tips will help your quiche stay moist, flavorful, and safe to eat.

  • Refrigerate in an airtight container: After cooling to room temperature, transfer individual slices or the whole quiche to an airtight container. It will stay fresh for up to 3 days, preserving the creamy consistency and preventing it from absorbing fridge odors.
  • Wrap securely for freezing: If you’d like to keep quiche on hand longer, tightly wrap slices in plastic wrap followed by aluminum foil. Freeze for up to 2 months, then thaw in the refrigerator overnight before reheating.
  • Reheat gently: Warm slices in a preheated oven at 325°F (160°C) for about 10–15 minutes, or until heated through. This method maintains a crisp top and prevents the custard from becoming rubbery, unlike microwave reheating.
  • Portion control: For meal prep, cut the quiche into individual wedges and store each piece separately in resealable bags or small containers. Label with dates to track freshness, and grab one wedge for a quick snack or light meal during busy weekdays.

CONCLUSION

This Spinach and Mushroom Crustless Quiche has walked you through every step, from that first sizzle of onion in olive oil to the final slice of golden, creamy perfection. You’ve seen how simple ingredients—fresh spinach, earthy mushrooms, eggs, and cheeses—transform into a dish that’s versatile enough for brunch, lunch, or a cozy dinner. With straightforward prep, accessible techniques, and a show-stopping result, this quiche is the ultimate beginner-friendly recipe that never sacrifices flavor or elegance.

Feel free to print this article and save it for future culinary adventures. You’ll also find a handy FAQ below to answer any lingering questions about ingredient swaps, timing, or reheating tips. I’d love to hear how your quiche turned out—drop a comment if you added a personal twist, faced a challenge, or simply savored every bite. Your feedback, questions, and stories help our community grow, and I’m here to support you every step of the way as you continue exploring delightful home-cooked recipes. Enjoy!

Spinach and Mushroom Crustless Quiche

Difficulty: Beginner Prep Time 15 mins Cook Time 40 mins Rest Time 10 mins Total Time 1 hr 5 mins
Calories: 350

Description

Experience a delightful medley of flavors with this crustless quiche. Whisked eggs, cream, and cheese embrace tender spinach and mushrooms for a rich, satisfying dish.

Ingredients

Instructions

  1. Preheat the oven to 350°F (175°C) and lightly grease a 9-inch pie dish or tart pan.
  2. In a large skillet, heat the olive oil over medium heat. Add the diced onion and sauté until translucent, about 3-4 minutes.
  3. Add the minced garlic and sliced mushrooms to the skillet, cooking for an additional 5 minutes or until the mushrooms are tender.
  4. Stir in the fresh spinach and cook until wilted, about 2-3 minutes. Remove from heat and let it cool slightly.
  5. In a mixing bowl, whisk together the eggs, heavy cream, and milk until well combined.
  6. Stir in the shredded cheddar cheese, salt, black pepper, nutmeg, and the cooled spinach mixture.
  7. Pour the mixture into the prepared pie dish and sprinkle the grated Parmesan cheese on top.
  8. Bake in the preheated oven for 35-40 minutes, or until the quiche is set and the top is golden brown.
  9. Allow to cool for a few minutes before slicing and serving.

Note

  • This quiche can be enjoyed warm or at room temperature.
  • You can substitute the cheddar cheese with Gruyère or Swiss for a different flavor profile.
  • For added protein, consider adding cooked bacon or ham.
  • Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.
Keywords: quiche, crustless quiche, spinach, mushrooms, easy recipe, vegetarian

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Frequently Asked Questions

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Can I use frozen spinach instead of fresh spinach in this recipe?

Yes, you can use frozen spinach as a substitute for fresh spinach. However, you need to make sure it is thoroughly thawed and drained of excess water before adding it to the mixture. This will help prevent the quiche from becoming watery.

Is it necessary to use heavy cream, or can I replace it with a lighter option?

While heavy cream contributes to the rich and creamy texture of the quiche, you can substitute it with half-and-half or whole milk for a lighter version. Keep in mind that using lighter alternatives may alter the texture and richness of the final dish.

Can I make this quiche ahead of time and reheat it later?

Yes, you can prepare the quiche ahead of time. Once it has cooled completely, store it in an airtight container in the refrigerator for up to 3 days. When you're ready to serve, simply reheat individual slices in the microwave or bake them in the oven at 350°F (175°C) until warmed through.

What can I add to the quiche for extra flavor or nutrition?

You can enhance the flavor and nutritional profile of the quiche by adding ingredients such as cooked bacon, sausage, or ham for extra protein. Additionally, you can experiment with different vegetables such as bell peppers, zucchini, or tomatoes to increase the veggie content.

How do I know when the quiche is done baking?

The quiche is done when it is set in the center and the top is golden brown. You can check for doneness by inserting a knife in the center; if it comes out clean or with just a few crumbs, the quiche is ready. If the quiche wobbles too much, it may need a few more minutes of baking.

Anna Dubois

Food and Lifestyle Blogger

Hello and welcome to my kitchen! I’m Anna Dubois a passionate home cook, recipe developer, and lover of rustic, wholesome meals made with heart. I grew up in the French countryside, where food was more than nourishment, it was a way to connect, to celebrate, and to create memories.

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