Spinach Mushroom Quiche

Made with fresh spinach, mushrooms, Gruyère cheese and milk, this healthy spinach mushroom quiche is perfect for everything from a weekend brunch to a weekday lunch. Not only is it a crowd-pleasing dish but it can easily be made ahead of time as it stores well in the fridge and freezer, allowing you to spend less time in the kitchen and more time with your family and friends.

Although quiche is often overlooked and underrated, it is one of my favourite dishes. I just love how it transforms everyday kitchen staples into an eye-catching feast. Made with eggs, milk, cream, flour, butter and the fillings of your choice, quiche is also an incredibly versatile dish that works equally well for breakfast, lunch or dinner. You can serve it on its own or pair it with some bread and salad for a more filling meal.

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A classic quiche recipe will call for a homemade crust, which is a little more time-consuming, however, there are plenty of shortcuts that you can take to cut down on time. Not only can you purchase pre-made pie crusts in any major grocery store but you can easily omit the crust completely and make a crustless quiche instead.

Crustless Spinach Mushroom Quiche Option

Want to make this spinach mushroom quiche crustless? Not a problem! Simply omit the crust and grease the 9-inch pie dish with a little butter before adding the filling and bake in the oven at 350°F for 30 minutes or until the centre is set.

Filled with mushrooms, spinach and savoury Gruyère cheese, this spinach and mushroom quiche is a great for a weekend brunch, holiday celebration or a healthy meal prep idea for hearty and healthy weekday meals.

More Breakfast Egg Recipes:

• Greek Omelette Casserole
• Spinach Breakfast Casserole
• Breakfast Egg Bake

Spinach Mushroom Quiche

Author: Stephanie Kay

Made with fresh spinach, mushrooms, Gruyère cheese and milk, this spinach and mushroom quiche recipe makes a healthy breakfast, brunch or lunch.

• Author: Stephanie Kay
• Prep Time: 20 minutes
• Cook Time: 55 minutes
• Total Time: 1 hour 15 minutes
• Yield: 8 slices 1x
• Category: Breakfast
• Method: Baked

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Ingredients

Crust:

• 9“ deep-dish frozen pie crust

OR

• 1 1/4 (150 g) cup all-purpose flour
• 1/2 teaspoon salt
• 1/2 cup (113 g) unsalted butter, very cold, cut into 1/2″ cubes
• 4 to 6 tablespoons ice water

Filling:

• 1 tablespoon butter
• 1 shallot or small onion, minced
• 2 cups mushrooms, sliced
• 4 cups spinach, roughly chopped
• 4 eggs
• 1/2 cup heavy cream
• 1/2 cup milk
• 1/8 teaspoon nutmeg
• 1/2 teaspoon salt
• 1 cup Gruyère cheese, shredded

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Instructions

1. Preheat the oven to 400°F and begin by preparing the pie crust.
2. If you are using a pre-made pie shell, remove it from the freezer and thaw until just soft, about 10 minutes, then prick the bottom all over with a fork.
3. If you are making a homemade pie crust, add flour and salt to a food processor and pulse a few times to combine. (*If you don’t have a food processor, see note below about doing this by hand.) Add the butter and pulse for a few seconds at a time, until coarse crumbs of butter form the size of large peas. Sprinkle the mixture with 4 tablespoons of ice water (make sure there are no ice cubes in the water!) and pulse again. Continue to add water until a dough forms. You know that the mixture is ready if when you pinch some of the crumbly dough together with your fingers, it holds together. Carefully empty the crumbly dough mixture from the food processor on to a floured surface, gather the mixture into a mound and gently form into a disc with your hand. Wrap the disc in plastic wrap and set in the fridge to chill for at least 2 hours. Once the dough has chilled, roll out the crust so that it fits a 9″ pie dish and then line the dish with the dough. Fold the excess dough inward, pressing the edges to double the sides. Prick the bottom all over with a fork and then refrigerate again for 30 minutes or freeze for 15 minutes.
4. When the pie shell is ready, transfer it to the oven and bake for 20 minutes until partially cooked. (*See note below about blind baking.) Once baked, remove it from the oven, set aside and turn the oven temperature down to 325°F.
5. While the crust is baking, prepare the filling. In a large skillet or pan on medium heat, warm the butter.
6. Add the shallot and cook for 5-6 minutes until tender and slightly translucent.
7. Add the mushrooms and continue cooking for an additional 5-6 minutes until mushrooms have roughly reduced in size by half and are golden brown.
8. Add the spinach, cover the pan with a lid and cook for 1-2 minutes until all of the spinach is wilted. Stir to combine with the shallot and mushrooms and set aside.
9. In a large bowl, add the eggs, milk, cream, nutmeg and salt and whisk until well combined. Set aside.
10. Once the pie shell is cooked, layer with the filling ingredients. Add half of the Gruyère cheese, top with spinach mushroom mixture, top with remaining cheese and then pour with the egg mixture over top.
11. Transfer to the oven and bake for 50-55 minutes until the centre is set and the top is lightly golden.
12. Once cooked, remove the quiche from the oven and allow to cool slightly before slicing, 5-10 minutes.
13. This spinach mushroom quiche can be served immediately, hot or cold, stored covered in the fridge for 3-4 days or tightly covered in the freezer for up to 3 months.

Notes

MAKING DOUGH BY HAND: If you do not own a food processor, you can make the dough by hand. In a large bowl, mix flour and salt, then add the cubed butter. Using your hands, begin ‘cutting’ the butter into the flour by rubbing the cold butter between your thumbs and fingers until the butter is the size of large peas. Add the water and knead the mixture in the bowl until the dough starts to hold together. See here for additional tips on making pie dough by hand.

BLIND BAKING: It is essential that the dough is chilled before blind baking, do not skip this step. For the best results, fill the pie shell with pie weights or dried beans before baking. Simply carefully line the pie shell with parchment paper, then pour in pie weights or dried beans to help weight down the crust. See here for additional blind baking tips.

CRUSTLESS OPTION: Simply omit the crust and grease the 9-inch pie dish with a little butter before adding the filling and bake in the oven at 350°F for 30 minutes or until the centre set.

Nutrition

• Serving Size: 1 slice
• Calories: 263 calories
• Sugar: 2 grams
• Fat: 19 grams
• Carbohydrates: 13 grams
• Fiber: 1 gram
• Protein: 11 grams