This delightful vegetarian quiche is perfect for brunch, lunch, or even a light dinner. Combining fresh spinach, savory mushrooms, and creamy cheddar cheese, this dish is both nutritious and delicious. The eggs and milk mixture creates a rich, custard-like texture that pairs perfectly with a flaky pie crust.
While most of the ingredients for this quiche are common, you may need to ensure you have fresh spinach and mushrooms. These can be found in the produce section of your supermarket. Additionally, make sure to pick up a pre-made or homemade pie crust if you don't already have one.

Ingredients For Vegetarian Quiche Recipe
Spinach: Fresh, chopped spinach adds a nutritious and vibrant green element to the quiche.
Mushrooms: Sliced mushrooms provide a savory, umami flavor that complements the other ingredients.
Cheddar cheese: Shredded cheddar cheese brings a rich, creamy texture and a sharp taste to the dish.
Eggs: Beaten eggs form the base of the quiche, creating a custard-like consistency when baked.
Milk: Milk is mixed with the eggs to create a smooth, creamy filling.
Salt: A teaspoon of salt enhances the flavors of the other ingredients.
Black pepper: Ground black pepper adds a hint of spice and depth to the quiche.
Pie crust: A pre-made or homemade pie crust serves as the base, holding all the delicious ingredients together.
Technique Tip for This Recipe
When preparing the pie crust, ensure it is well-chilled before adding the egg mixture. This helps prevent the crust from becoming soggy. Additionally, sauté the mushrooms beforehand to remove excess moisture, which will keep the quiche from becoming watery.
Suggested Side Dishes
Alternative Ingredients
chopped spinach - Substitute with kale: Kale has a similar texture and nutritional profile, making it a great alternative.
sliced mushrooms - Substitute with zucchini: Zucchini provides a similar moisture content and mild flavor, suitable for a quiche.
shredded cheddar cheese - Substitute with mozzarella cheese: Mozzarella melts well and offers a mild flavor that complements the other ingredients.
beaten eggs - Substitute with silken tofu: Silken tofu can mimic the texture of eggs and is a good protein source for vegetarians.
milk - Substitute with unsweetened almond milk: Almond milk provides a similar consistency and is a good dairy-free option.
salt - Substitute with soy sauce: Soy sauce adds a similar salty flavor with an additional umami boost.
black pepper - Substitute with white pepper: White pepper offers a similar spiciness but with a slightly different flavor profile.
pre-made or homemade pie crust - Substitute with gluten-free pie crust: A gluten-free pie crust is suitable for those with gluten sensitivities and offers a similar texture.
Alternative Recipes Similar to This Quiche
How to Store or Freeze Your Quiche
Allow the quiche to cool completely at room temperature before storing. This helps prevent condensation, which can make the crust soggy.
Wrap the quiche tightly with plastic wrap or aluminum foil. For added protection, place it in an airtight container. This will help maintain its freshness and prevent it from absorbing other odors in the refrigerator.
Store the quiche in the refrigerator for up to 3-4 days. When ready to enjoy, reheat slices in the oven at 350°F (175°C) for about 10-15 minutes, or until warmed through.
For freezing, first, ensure the quiche is completely cooled. Cut it into individual slices for easier reheating later.
Wrap each slice tightly in plastic wrap, then place the wrapped slices in a freezer-safe bag or container. Label with the date to keep track of storage time.
Freeze the quiche for up to 2 months. When ready to eat, thaw slices in the refrigerator overnight.
Reheat thawed slices in the oven at 350°F (175°C) for about 20 minutes, or until heated through. For a quicker option, microwave on medium power for 2-3 minutes, though this may result in a slightly softer crust.
To maintain the best texture and flavor, avoid refreezing previously frozen quiche.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the leftover quiche on a baking sheet and cover it loosely with aluminum foil to prevent the crust from becoming too brown. Bake for about 15-20 minutes, or until the quiche is heated through.
For a quicker method, use a microwave. Place a slice of quiche on a microwave-safe plate. Cover it with a microwave-safe lid or a damp paper towel to retain moisture. Heat on medium power for 1-2 minutes, checking halfway through to ensure it heats evenly.
If you have an air fryer, preheat it to 300°F (150°C). Place the quiche in the air fryer basket and heat for about 5-7 minutes. This method helps maintain a crispy crust while warming the filling.
For stovetop reheating, use a skillet over medium-low heat. Place the quiche slice in the skillet and cover with a lid. Heat for about 5-7 minutes, flipping halfway through to ensure even warming. This method can help keep the crust crisp.
If you prefer a toaster oven, preheat it to 350°F (175°C). Place the quiche on a piece of aluminum foil or a small baking tray. Heat for about 10-15 minutes, or until the quiche is warmed through and the crust is crispy.
Essential Tools for This Recipe
Oven: Used to bake the quiche at the specified temperature of 375°F (190°C).
Mixing bowl: Used to whisk together the eggs, milk, salt, and pepper, and to mix in the spinach, mushrooms, and cheddar cheese.
Whisk: Used to beat the eggs and mix them with the milk, salt, and pepper.
Measuring cups: Used to measure out the spinach, mushrooms, cheddar cheese, and milk.
Measuring spoons: Used to measure out the salt and black pepper.
Pie crust: The base that holds the quiche filling.
Knife: Used to chop the spinach and slice the mushrooms.
Cutting board: Used as a surface to chop the spinach and slice the mushrooms.
Spatula: Used to stir the mixture and to help pour it into the pie crust.
Pie dish: Holds the pie crust and quiche mixture while baking.
Oven mitts: Used to safely handle the hot pie dish when removing it from the oven.
Cooling rack: Used to cool the quiche after it is baked and before slicing.
Time-Saving Tips for Making This Quiche
Use pre-chopped vegetables: Save time by buying pre-chopped spinach and sliced mushrooms from the store.
Pre-made pie crust: Opt for a pre-made pie crust to skip the dough preparation step.
Batch cooking: Double the recipe and freeze one quiche for a quick meal later.
Quick whisking: Use a hand mixer to quickly whisk the eggs and milk together.
Preheat oven early: Start preheating the oven before you begin assembling the ingredients.

Vegetarian Quiche Recipe
Ingredients
Quiche Filling
- 1 cup Spinach chopped
- 1 cup Mushrooms sliced
- 1 cup Cheddar Cheese shredded
- 4 Eggs beaten
- 1 cup Milk
- 1 teaspoon Salt
- ½ teaspoon Black Pepper
- 1 Pie Crust pre-made or homemade
Instructions
- Preheat the oven to 375°F (190°C).
- In a mixing bowl, whisk together the eggs and milk. Add salt and pepper.
- Stir in the spinach, mushrooms, and cheddar cheese.
- Pour the mixture into the pie crust.
- Bake for 35-40 minutes, or until the quiche is set and golden brown.
- Let cool for a few minutes before slicing and serving.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Quiche
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