Step-by-step instructions
Now, let’s get cooking! Here’s how to prepare your Easy Crustless Spinach Quiche:
- Preheat your oven to 350°F (175°C).
- Heat the olive oil in a skillet over medium heat. Add the diced onion and cook until softened, about 5 minutes.
- Stir in the sliced mushrooms and cook for another 5-7 minutes until they are nicely browned.
- Add in the chopped spinach and cook until it wilts.
- In a bowl, whisk together the eggs, milk, salt, and pepper until well combined.
- Mix in your sautéed vegetables and the shredded cheese.
- Pour the mixture into a greased pie dish and bake for 30-35 minutes, or until the quiche is set and lightly golden on top.
- Allow it to cool slightly before slicing, then serve warm and enjoy!
Best ways to enjoy it
Serving this Easy Crustless Spinach Quiche is part of the joy! You can enjoy it warm right out of the oven, or let it cool and serve it cold — both are delicious. Pair it with a light salad for lunch or brunch, or add some crusty bread for a heartier meal. You can also dress it up with fresh herbs or a dollop of sour cream for an extra flair.
Storage and reheating tips
If you have leftovers (which are great for quick meals later!), store your quiche in an airtight container in the refrigerator for up to 3 days. You can reheat individual slices in the microwave or pop it back into the oven at 350°F until warmed through. For longer storage, freeze it before baking. Just ensure it’s wrapped tightly in plastic wrap and then aluminum foil — it can be stored in the freezer for up to 2 months. When you’re ready to eat, thaw in the refrigerator overnight before baking.
Pro chef tips
Here are some additional tips to elevate your quiche:
- Cheese choices: Experiment with different cheese varieties or blend a couple for unique flavor profiles.
- Veggie options: Add cooked bacon or ham for a meatier version or use your favorite seasonal veggies.
- Texture twist: Try adding a small amount of cooked, crumbled feta cheese for an extra layer of taste.
Creative twists
Feeling adventurous? Here are some ideas for variations:
- Herbed Delight: Add fresh herbs like dill, basil, or thyme for an aromatic lift.
- Spicy Kick: Mix in red pepper flakes or jalapeños for a bit of heat.
- Mediterranean Style: Incorporate sun-dried tomatoes and olives for a Mediterranean-inspired twist.

Your questions answered
How long does it take to prepare?
The total time for preparation and cooking is about 45 minutes, which includes sautéing, mixing, and baking.
Can I make it ahead of time?
Absolutely! You can make the quiche a day in advance and store it in the fridge.
What are some good substitutes for spinach?
Kale, Swiss chard, or even frozen spinach can work well. Just be sure to squeeze out any excess moisture if using frozen spinach.
Enjoy creating this Easy Crustless Spinach Quiche—it’s sure to become a favorite in your home!



