Spinach, Onion, and Mushroom Quiche

I love to vary my standard recipe for Quiche Lorraine by modifying the veggies and cheese that I use. This Spinach, Onion, and Mushroom Quiche was a great combination and a real winner.

Spinach, Onion, and Mushroom Quiche in a White Pie Plate on a Table with a Green and White Napkin and a Serving Knife.

Quiche first came to the attention of the American public in the 1950’s. A combination of egg custard, bacon, and onions, baked in a pastry crust, it remains one of my favorites. I’ve loved this standard Quiche Lorraine forever but occasionally feel like improvising and this Spinach, Onion, and Mushroom Quiche with White Cheddar Cheese was my latest revision.

As  you might already know, I don’t always sit down and plan recipes so much as I see what I have in the refrigerator and pull something together from those ingredients. Often it’s a case of either use them or lose them, you know how quickly both spinach and mushrooms can change from perfect to perfectly unacceptable. I thought it was their time and this was the delicious result.

My first quiche experience is one I’ll never forget and I’m sure I’ve mentioned it in these pages before. I was a new transplant to Raleigh, NC with my new husband. We settled in an apartment building and were lucky that our next door neighbors were from my hometown of St. Louis too. We had a dog they loved, they had a daughter we loved and we became almost inseparable.

It was a great experience for someone moving away from their family for the first time and the friends I made and the cooking we did together expanded my cooking skills beyond what I would have done on my own; I will always treasure both Alma and Jane for that time in our lives.

Spinach, Onion, and Mushroom Quiche with White Cheddar Cheese Sliced and Served on a White Plate with Thyme Garnish

One afternoon there was a knock on my door and expecting to see Janie, I was surprised instead to see Alma, a nice older woman who lived on the first floor with her husband. We had waved to each other a lot but she was taking it a step further, she was inviting both couples to dinner at her apartment. Janie offered to bring a cocktail and I volunteered dessert and we were set.

If I’m honest, I was delighted to accept but I anticipated that dinner would be similar to what my mother-in-law cooked and I was prepared for a sort of stodgy casserole with some veggies on the side. Was I in for a surprise!

Alma turned out to be a fantastic cook and in the time we lived there, we dined together frequently and she taught me so much. My first lesson? French food. I had never had anything that would be considered French cuisine so when our first course was Quiche Lorraine I was intrigued. It was love at first bite. I still have that recipe card Alma gave me too; now it’s an antique!

Creamy egg custard with melted cheese, onions, and bacon swirled throughout all in a crispy crust; it was simply divine. Today I make it a part of my regular dinner rotation because it is SO easy and I’ve learned that mixing up ingredients means veggies running the gamut from A(sparagus) to Z(ucchini). While I love a great homemade crust, I will often use the prepackaged ones from Pillsbury to make this a really easy meal to prepare.

Quiche is also a perfect little dish to serve for so many occasions. It can be breakfast or brunch, could be an appetizer, it will make your meatless Monday meal delicious and in our home certainly it’s dinner with a gorgeous, crisp salad on the side. If it’s not something you’ve tried before, what are you waiting for…it’s for real men AND women!

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PIN IT  ‘Spinach, Onion, and Mushroom Quiche’

Spinach, Onion, and Mushroom Quiche Slice on a Round Plate with a Fork

Spinach, Onion, and Mushroom Quiche in a White Pie Plate on a Table with a Green and White Napkin and a Serving Knife.
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4.53 from 19 votes

Spinach, Onion, and Mushroom Quiche

A creamy., cheesy quiche with spinach and mushrooms in a pastry crust.
Prep Time15 mins
Cook Time50 mins
Total Time1 hr 5 mins
Servings: 8 Servings
Calories:
Author: Creative Culinary

Ingredients

  • 1 pie crust homemade or store bought
  • 1 tablespoon Butter
  • 1 tablespoon Extra Virgin Olive Oil
  • 1 small to medium onion; thinly sliced
  • 8 oz Mushrooms sliced
  • 3 cloves garlic minced
  • 6 oz. baby spinach
  • 4 Eggs
  • cups Heavy Cream
  • 8 oz shredded cheese I've used White Sharp Cheddar Cheese and also a Mexican blend so use what you have!
  • ½ teaspoon sea salt or kosher salt
  • ¼ teaspoon pepper

Instructions

  • Preheat oven to 425.
  • Place your pie dough into a 9" pie plate and prick the bottom and sides with a fork.
  • Pre-bake the pie dough for 12 minutes; remove and set aside and reduce the oven temperature to 350.
  • Put the butter and olive oil in a large skillet over medium heat and warm until the butter is melted. Add onion and cook until wilted and opaque, about 5 minutes. Add the mushrooms and continue to saute until they are golden in color, about 8-10 minutes.
  • Add the garlic and cook for one minute.
  • Add the spinach and saute briefly until just wilted. Allow mixture to cool for about 10 minutes; drain off any water.
  • While waiting for the skillet ingredients to cool, whisk together the eggs, heavy cream, salt and pepper; stir in the cheese.
  • Combine the vegetable mixture with the egg mixture and pour into the pre-baked crust. Place onto a rimmed cookie sheet and bake for 45-50 minutes or until set. Lightly wrap foil around crust if it starts to get too dark. (I love these crust protectors too!)
  • Slice and serve!

Nutrition

Serving: 1grams

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9 Comments

  1. 5 stars
    I’ve tried many quiche recipes and this is the best one yet. It was incredibly creamy. Other recipes I’ve tried have called for 6-8 eggs. I was skeptical that 4 would not be enough but it was perfect! I shredded all the bits of cheese I had in the fridge; Gouda, Mozzarella, Swiss and a medium Cheddar which came close to two cups. Great way to use it up. If you can avoid it, please avoid pre-shredded cheese. It’s never as melty because of the cellulose that’s added.

    1. I’m so glad you enjoyed it Dottie. This was a recipe shared to me when I was newly married by a woman that I became close to when we moved to a new state and I love that I still love her recipe the best too. Every time I make it I think of her and I’m reminded of how sweet she was to me.

  2. I made this for my family this afternoon for brunch. They absolutely loved it! I used green onions instead of white onions and it turned out delicious!I. I will pass this recipe on to friends and family.

    1. I’m so glad you enjoyed it Donna, thanks much for letting me know! I’ve used green onion too; I am so not that person to run to the grocery store if I’m out of something, I use what I’ve got!

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