A good vegetarian quiche is one of those dishes that feels both comforting and versatile. It’s an ideal choice when you need something hearty yet light, elegant yet unfussy. Whether you’re hosting a brunch, packing lunch for the week, or simply craving something savory and satisfying, this easy vegetarian quiche fits the bill beautifully.
What makes this dish such a go-to favorite is its flexibility. Start with a basic pie crust, homemade or store-bought, and from there, you can build endless flavor combinations. Common additions include spinach, mushrooms, tomatoes, zucchini, onions, and bell peppers, all of which add color and texture. The beauty lies in using what you have on hand or what’s in season, making this quiche a true “clean out the fridge” hero.
The filling comes together quickly. Whisk together eggs, milk or cream, salt, pepper, and perhaps a pinch of nutmeg for a subtle depth. Add cheese like cheddar, feta, Swiss, or goat cheese for extra richness and character. Then fold in the sautéed vegetables before pouring the mixture into the crust and baking until golden and set.
One of the best things about vegetarian quiche is how well it holds up. It can be served warm, at room temperature, or even cold straight from the fridge. That makes it perfect for meal prepping or entertaining, since it can be made ahead and still taste amazing the next day.
Serve it with a simple green salad or a bowl of soup for a complete meal. For brunch, pair it with fresh fruit or a light smoothie. The quiche is both filling and balanced, rich in protein from the eggs and cheese, and packed with fiber from the vegetables.
Whether you’re feeding a crowd or just looking for an easy, meatless option to enjoy during the week, this easy vegetarian quiche delivers every time. It’s proof that with just a few ingredients and a little time, you can make something truly satisfying.
Ingredients
- 1 pie crust pre-made
- 1 cup Swiss cheese shredded
- 1 cup spinach chopped
- 1/2 cup diced tomatoes
- 1/2 cup red bell pepper diced
- 4 eggs
- 1 cup milk
- Salt and pepper to taste
Instructions
- Preheat oven to 375°F (190°C).
- Place the pre-made pie crust in a pie dish and set aside.
- In a medium bowl, whisk together the eggs, milk, salt, and pepper.
- Spread half of the Swiss cheese onto the bottom of the pie crust.
- Layer the chopped spinach, diced tomatoes, and diced red bell pepper on top of the cheese.
- Pour the egg mixture over the vegetables.
- Sprinkle the remaining Swiss cheese on top.
- Bake for 35 minutes, or until the quiche is set and golden brown on top.
- Allow the quiche to cool for a few minutes before serving.
- Enjoy!
Made this last night—so easy and actually tastes “fancy” for how little effort it takes. The Swiss + veggies combo is perfect.
Easy peasy! I threw in some leftover broccoli too. Highly recommend!
Quiche means egg tart in French, right? This recipe ain’t traditional but I still liked it.
This is just a fancy egg pie! Whatever, still tasty!
Quick and easy! Perfect for a brunch with my girls. Everyone loved it.
Can I freeze this or not? Want to make it for later but not sure. Thanks.
I tried it, but my quiche didn’t set—still kinda jiggly after 35 min. I’m not sure if my oven runs cold or if I whisked wrong. Flavor is good at least!
Not bad but I think it needed more cheese. Like, the filling tasted a little thin even after baking the full 35 minutes. Maybe my pie crust was smaller?
Totally get what you mean—35 minutes can set the eggs, but if the filling feels watery it’s sometimes not enough cheese. I always do an extra handful (or use a mix like Swiss + cheddar). Did you measure the milk and cheese cups pretty exact?
Simple and tasty. Could use more cheese though—like, c’mon, I want the cheesy bite. But hey, easy win.
I dunno… 1 cup Swiss feels kinda low. Also I baked mine and it was more like frittata than quiche, but maybe I undercooked it? Still tasty, just wish it was cheesier.
Totally agree—this is simple and tasty. I just add extra cheese (at least another cup) because you *definitely* want that cheesy bite. Easy win though!
Quiche is supposed to have bacon… why no meat in this? Disapointing!
This was so good! I added some mushrooms and it was amazing! Will definitely make again.
Made it last night, but forgot to add salt and pepper… it was bland.
Five stars. Sooooo good. Like better than the store.
Simple and quick. But I forgot tomatos lol. Still tasted good somehow!
Love it! Straightforward and perfect for brunch.
This was so easy to make! My family loved it. Will definitely make again!
Not bad, but I think 1 cup milk might be a touch much? Mine was softer than expected. Still ate it all though 😅
Yum! My kids loved it! Even the spinach, can you believe that? Will share with my neighbors too!
Yummy! 😋 I added some spices and it was lit!
I followed it exactly and it still didn’t set for me—at 35 minutes it was kinda jiggly. I ended up baking another 10. Maybe my oven runs cool?
It’s just eggs in a crust. Not worth it. 😒
I think you’re missing out! This quiche has so much flavor with the veggies and cheese. 😋
Why Swiss cheese though? I feel like cheddar would hit harder. Still ate it, but I wouldn’t choose Swiss again.
Too much cheese! I prefer less. Just a thought.
So simple! I used cheese from a can though haha, worked fine!
Ugh, quiche is overrated. Not for me. 👎
I don’t like spinach. Could I use kale instead? 🤔
Sure! Kale could work just fine. It might give a different flavor, but it’ll still be healthy! 🌿
I followed the recipe but it took longer than 35 min to cook. Still tasted alright tho.
This was super easy and delicious! I added some mushrooms and it turned out great. Will definitely make again!
It’s alright. But honestly, a frozen one is about the same lol.
I question the Swiss cheese, feta is better for quiche. But still a decent recipe.
Cool. Easy. Yummy!
I followed the recipe but it came out too soggy. Maybe my pie crust was too thick?
I tried it and it failed 😅 the middle stayed liquid and I baked it longer. Maybe my pie crust was too thin or my eggs were old. Wouldn’t do again.
Meh, was kinda bland. Needs more spices. I would not recommend it.
Pretty good, but next time I’ll cook the spinach a bit more / squeeze out extra moisture. Mine was a little watery in the first slice.
Totally agree—spinach moisture is the culprit. Next time I’ll sauté it a little and squeeze it in a paper towel before layering.
Ehh! I dunno, quiche seems kinda fancy for breakfast. I prefer cereal.
Quiche is actually super easy to make, and it can be great for breakfast! I used to prefer cereal too, but now I love mixing it up with something like this.
Fancy? C’mon! It’s just eggs and veggies in a crust. Cereal is for kids! Give it a try, you’ll like it!
Perfect for breakfast! I added some mushrooms and it turned out beautifully. Thank you for sharing!
Made this last night and it came out super good—gooey in the middle and nice and golden on top. I added a pinch of garlic powder and it bumped the flavor a lot. Will definitely make again!
This quiche was a hit at my brunch! Super easy and delish. Would highly recommend!
Not the best I’ve had. It was kinda bland. Might need to spice it up next time. 🤷♂️
I totally get what you mean! Maybe some garlic or herbs could help next time!