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This Spinach Quiche is easy to make and full of delicious flavor! You’ll love the combination of spinach, sweet onion, mushrooms, and cheddar and feta cheeses. 

Bird's eye view of Spinach Quiche in a dish with a slice missing in it.

A good quiche can be served up for breakfast, brunch, lunch, or dinner. It’s a complete meal with plenty of protein and veggies. In this recipe we’ve skipped the pie crust to keep things not only easy, but also a bit healthier. Start by sauteeing some onions and mushrooms in a skillet until softened, then add in garlic. You want to give these a pre-cook before adding into the quiche because they will still be a bit raw if put directly into the quiche itself without pre-cooking. Add in your spinach and cheeses (we recommend cheddar and feta) and spoon this into a pie plate. Top with some eggs whisked together with milk and seasoning and then pop it in the oven. It’s easy to make and totally delicious!

Should I use a deep dish pie plate or a shallow pie plate?

This recipe is designed for a standard deep dish pie plate that has a depth of 2 to 2.5 inches. There are generally two different pie plates that are sold in stores. One is a standard deep dish, and another is a more shallow dish (1 to 1 1/4 inch deep) that works best for pies that are better with less filling (like a decadent chocolate pie). With a quiche, you want to make sure you have a good thick layer of filling so a standard deep dish pie plate will work better. If you are using a crust, it’ll also produce a better filling to crust ratio.

Can I add a crust to this quiche recipe?

Yes! You can easily add a crust to this recipe. Use a frozen, or pre-made pie crust, or make your own. Need a recipe for pie crust? Try this one. Instead of spooning the pie filling into an empty pie plate, you’ll spoon it directly into the crust. No par baking required.

Crustless Spinach Quiche in a baking dish.

Can I use fresh spinach instead of frozen and thawed?

Yes you can! For a detailed explanation, please read this article on substituting fresh spinach for frozen. You’ll need to remove stems, cook it in a skillet over medium high heat for a few minutes, and then (just like frozen) remove as much liquid as possible from it.

If you liked this recipe you may be interested in these other delicious breakfast and brunch dishes:

Crustless Spinach Quiche in a baking dish.
This Spinach Quiche is easy to make and full of delicious flavor! You'll love the combination of spinach, sweet onion, mushrooms, and cheddar and feta cheeses. 
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
  • 1 tablespoon extra virgin olive oil
  • 1 small sweet onion diced
  • 4 ounces mushrooms sliced
  • 2 cloves minced garlic
  • 10 ounces chopped frozen spinach thawed and drained
  • 6 ounces crumbled feta cheese
  • 8 ounces shredded cheddar cheese
  • 5 large eggs
  • 1/2 cup milk
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • Preheat oven to 350 degrees Fahrenheit and lightly grease a 9 inch deep dish pie plate. 
  • Heat olive oil in a large skillet over medium high heat. Add in onion and mushroom and saute until softened, about 5 to 7 minutes. Add in garlic and cook 1 minute more. Stir in spinach, feta, and cheddar cheese. Spoon mixture into the prepared pie plate. 
  • In a mixing bowl, whisk together eggs, milk, salt, and pepper. Pour egg mixture over the spinach mixture in the prepared pie plate. 
  • Bake in the preheated oven for 40 to 45 minutes, until eggs are set. Let cool 10 minutes before slicing and serving. 


Calories: 272kcal | Carbohydrates: 7g | Protein: 17g | Fat: 19g | Saturated Fat: 10g | Cholesterol: 182mg | Sodium: 573mg | Potassium: 326mg | Fiber: 1g | Sugar: 4g | Vitamin A: 4745IU | Vitamin C: 4.2mg | Calcium: 400mg | Iron: 1.8mg
Course: Breakfast, Brunch
Cuisine: French
Keyword: Spinach Quiche
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June 15, 2020 2:01 pm

5 stars
We loved this quiche. I added about three ounces of cubed ham, used a pound of garden fresh spinach and was out of fresh mushrooms. Five duck eggs. And a mixture of cheeses that I had on hand. On point in every way. Thanks!

Donna Thompson
August 17, 2020 1:28 pm

I love your recipes and was in the mood for a quiche. As I didn’t want to make a crust but I wanted one, I added 1 c. of Bisquick mix, increased the milk to 2c. (recommended with the Bisquick “Impossible Quiche” recipe), with your 5 eggs. Poured it over everything else. Baked 400 deg for 45 mins. (The Bisquick formed a bottom crust as it baked.) I let it sit for 15 mins. before slicing. It turned out beautifully.

Linda Cross
December 26, 2019 6:17 pm

5 stars
I made this quiche and it turned out amazingly delicious! I added frozen Birdseye artichoke hearts to the quiche, I thawed them before I added them to the Quiche.

Cathi Carmack
June 19, 2020 6:43 pm

5 stars
THE best crustless quiche recipe I’ve ever tried. I’m eating reheated leftovers as I write and it is fabulous!

June 10, 2020 5:16 pm

5 stars
I have made this twice. It turned out perfect each time. Very good. Easy to make.

Sondra Chitwood
April 10, 2020 10:56 am

5 stars
Loved it!

March 2, 2020 11:11 am

5 stars
Always love your recipes easy to follow simple ingredients great taste. I like quick easy and delicious thank you.

Desley Young
October 9, 2020 10:51 pm

Quick and easy to make. The mixture of onion, etc
Was a good idea and came together well with the cheeses.

Helen Martin
August 19, 2020 8:14 am

5 stars
Have made this several times and it is always great. Have used both frozen spinach and fresh with equally great results.

March 14, 2020 9:02 am

This was soooo good! I cooked the fresh spinach instead of using frozen. I will definitely be making the again!

Francois Montoliu
January 14, 2021 6:52 am

5 stars
Excellent easy bake quiche! I’ve made numerous times, It’s a hit with everybody!

January 9, 2021 8:37 am

5 stars
Super yummy, and easy to modify (I didn’t have feta or frozen spinach so I used fresh spinach and more of it). Great for beginners and hard to screw up!

December 7, 2020 4:31 pm

5 stars
Delicious quiche… Thanks so much for the recipe. I had some bacon that I cooked today and added that and just used fresh spinach instead of frozen. My husband is kind of picky, but he loved this recipe.

Jenny Young Ramsey
December 5, 2020 6:46 pm

This quiche was delicious. Next time I will try it with Swiss cheese instead of cheddar

November 14, 2020 8:22 am

5 stars
Great recipes always. Could u skip sauté n onion mushroom bake in oven? Just curious thank you, love your videos

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