Vegetarian Leek & Cheese Quiche Recipe | Aline Made (2024)

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A hearty vegetarian leek and cheese quiche that comes with a homemade quiche crust and the most delicious vegetarian filling!

Vegetarian Leek & Cheese Quiche Recipe | Aline Made (1)

This flaky, creamy, and cheesy vegetarian quiche is best served warm out of the oven! It makes for outstanding finger food at any party, savory brunch, or served as a weeknight family dinner alongside this green salad.

Leek and cheese harmonize very well together and do taste incredibly delicious served in a homemade quiche crust. This recipe is very similar to Quiche Lorraine, only that it’s vegetarian and therefore made without bacon. No worries, you won’t miss the bacon.

The combination of sautéd leeks, aged cheese, and the typical French quiche filling made with heavy cream and eggs comes with a decent amount of flavor and is a tasty treat for all veggie quiche fans!

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What to love more about this leek quiche recipe is that you can prepare and bake it in advance – once your guests arrive, reheat it for a few minutes in the oven, and it tastes as if freshly baked!

Homemade Quiche Crust

Quiche should always be prepared with a homemade crust – just my two cents! Why? Homemade crust tastes better than any store-bought version – buttery, crispy, flaky!

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Plus, it’s not super complicated nor time-consuming. You can even prepare the crust one day in advance if stored in the refrigerator = even less stress when baking!

I won’t judge if you are lazy or just not that much into baking but still want to serve a hearty meal for your family! Go for the store-bought pie crust in this case! 😉

Leek Quiche Recipe – Step-by-Step

This step-by-step guide will help you along the way – definitely recommended if you’re a baking beginner!The exact quantities and everything else you need to know for the recipe can be found in the recipe card below.

Quiche Crust

  • Mix all-purpose flour and salt in the bowl of a stand mixer. Add the cold butter in pieces and mix on low speed, with the flat beater attached, until it resembles coarse crumbs.
  • Add the egg and mix at low speed until it comes together to a dough.
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  • Use your hands to form it into a disc or ball. Warp with plastic wrap and refrigerate for 30 minutes (up to two days).
  • Place it on a floured working surface and roll it, using a rolling pin, into a round quiche crust. Transfer into a 9-inch quiche pan and gently press the dough into place using your hands.
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Quiche Filling

  • Preheat the oven to 390°F (200°C).
  • Heat a large skillet with olive oil and sauté the leek for 5 minutes until soft.
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  • Mix the eggs, heavy cream, salt, pepper, and nutmeg in a bowl.
  • Sprinkle the cooked leek and grated Gruyere cheese (or Cheddar Cheese/Swiss Cheese) on top of the quiche crust and pour the egg mixture over it.
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  • Bake for 30 minutes in the preheated oven until golden brown.
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Recipe FAQ & Tips

How long does it stay fresh?Leftovers can be stored for up to 3-4 days in the refrigerator. Store it in an airtight container, or wrap the cold quiche pan with plastic wrap/aluminum foil (easiest to reheat).

How do I reheat quiche?Reheat for 15-20 minutes in the preheated oven at 390°F (200°C).

Gluten-Free?Prepare the dough with gluten-free flour or use a store-bought gluten-free pie crust.

Looking for a dairy-free quiche recipe?Go for plant-based butter, dairy-free heavy cream, and a dairy-free cheese alternative (make sure it’s one that’s melting). → I usually bake my quiche with plant-based butter & heavy cream but opt-in for regular Gruyère cheese.

Egg Replacement: The egg for the quiche crust can be replaced with 3-5 tablespoons of cold water – although the crust won’t turn out as crispy as when using an egg. Unfortunately, you can’t replace the eggs in the quiche filling as they are needed for the texture!

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More Recipes You’ll Love:

  • Green Asparagus Cheese Tart
  • Vegetarian Lasagna
  • Pan Pizza

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📖 Recipe

Leek & Cheese Quiche

A hearty vegetarian leek and cheese quiche that comes with a homemade quiche crust and the most delicious vegetarian filling!

Author : Aline Cueni

4.50 from 10 votes

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Prep Time :20 minutes mins

Cook Time :30 minutes mins

Dough Chill Time :30 minutes mins

Total Time :1 hour hr 20 minutes mins

Servings : 8

Calories : 380kcal

Ingredients

Quiche Crust

  • 1 ½ cup (190 g) all-purpose flour or spelt flour
  • ½ tsp salt
  • ½ stick (110 g) cold butter or dairy-free butter/margarine
  • 1 egg beaten

Quiche Filling

  • 1 tbsp olive oil
  • 2 small (250 g) leeks sliced (~9 ounces)
  • 2 cup (120 g) coarsely grated cheese Gruyère, Cheddar, or Swiss Cheese
  • 2 eggs
  • ¾ cup (180 ml) heavy cream or dairy-free heavy cream
  • ½ tsp salt
  • ¼ tsp pepper
  • tsp nutmeg

Instructions

Quiche Crust

  • Mix all-purpose flour and salt in the bowl of a stand mixer.Add the cold butter in pieces and mix on low speed, with the flat beater attached, until it resembles coarse crumbs.

  • Add the egg and mix at low speed until it comes together to a dough.

  • Use your hands to form it into a disc or ball. Warp with plastic wrap and refrigerate for 30 minutes (up to two days). Place it on a floured working surface and roll it, using a rolling pin, into a round quiche crust. Transfer into a 9-inch quiche pan and gently press the dough into place using your hands.

Quiche Filling

  • Preheat the oven to 390°F (200°C).

  • Heat a large skillet with olive oil and sauté the leek for 5 minutes until soft.

  • Mix the eggs, heavy cream, salt, pepper, and nutmeg in a bowl.

  • Sprinkle the cooked leek and grated cheese on top of the quiche crust and pour the egg mixture over top.

  • Bake for 30 minutes in the preheated oven until golden brown.

Notes

  • Keeps fresh for 3-4 days. Store it in an airtight container, or simply wrap the cold tart pan with plastic wrap/aluminum foil (easiest to reheat), in the refrigerator.
  • Reheatfor 15-20 minutes in the preheated oven (390°F/200°C).
  • Dairy-Free: Use dairy-free heavy cream, dairy-free butter, and dairy-free cheese! → I usually bake my quiche with plant-based butter & dairy-free heavy cream but opt-in for regular Gruyère cheese.
  • Gluten-Free: Use gluten-free flour or a store-bought gluten-free pie crust!
  • Egg Replacement: The egg for the quiche crust can be replaced with 3-5 tablespoons of cold water – although the crust won’t turn out as crispy as when using an egg.Unfortunately, you can’t replace the eggs in the quiche filling as they are needed for the texture!

Nutrition

Calories: 380kcal | Carbohydrates: 22g | Protein: 12g | Fat: 27g | Saturated Fat: 16g | Trans Fat: 1g | Cholesterol: 137mg | Sodium: 553mg | Potassium: 135mg | Fiber: 1g | Sugar: 1g | Vitamin A: 1248IU | Vitamin C: 3mg | Calcium: 246mg | Iron: 2mg

Vegetarian Leek & Cheese Quiche Recipe | Aline Made (16)

Aline Cueni

I’m a girl who loves to cook and bake delicious homemade food. Let me help you to incorporate more plant-based foods into everyday life! Vegetarian & vegan recipes can be anything but boring.

Vegetarian Leek & Cheese Quiche Recipe | Aline Made (2024)

FAQs

Should vegetables be cooked before putting in quiche? ›

Cook the Veggies First

"Vegetables will take longer to cook than your egg custard, so always sauté onions, steam broccoli, etc. before you add them to your egg mixture to ensure every bite of quiche will be perfectly cooked," says Kristin Beringson, executive chef at Henley in Nashville.

Can I use milk instead of cream in my quiche? ›

While it is not as traditional for quiches such as quiche Lorraine, you can use milk instead of heavy cream for quiche. While the results are not *as* rich as if heavy cream is used, I find that by the time you factor in the cheese and eggs, the quiche is not at all lacking in indulgence.

What is quiche filling made of? ›

Quiche is a savory egg custard baked in a flaky pie crust shell. Though you can certainly make a crustless quiche, too! The base of quiche filling are milk, cream, and eggs. The add-ins vary and can include meats, seafood, cheese, spices, and vegetables.

Why is my quiche not fluffy? ›

The best quiche consists of a custard that's the perfect ratio between eggs and milk. Using too many eggs in the custard results in a quiche that rubbery and too firm when baked, while not using enough will prevent the custard from setting. Follow This Tip: Remember this ratio: 1 large egg to 1/2 cup of dairy.

Should I Prebake a pie crust for quiche? ›

And yes, as you'll see, you should always prebake quiche crust to avoid a gummy pastry. Preheat the oven to 450°F. Roll out your homemade or purchased refrigerated dough into a 12-inch circle.

What is the ratio of eggs to milk in a quiche? ›

Quiche Ratio: 1 large egg to 1/2 cup of dairy

You'll need to increase the amount of eggs and milk based on the size of your quiche, so knowing the basic ratio makes it really easy to scale up or down. For a standard 9-inch quiche: Use 3 large eggs (6 ounces) 1 1/2 cups of whole milk or cream (12 ounces)

What is a good substitute for sour cream in quiche? ›

Mayonnaise. Mayo is a great sour cream substitute. It can be used as a 1:1 replacement in both baking and dips. You'll lose some of that tang that sour cream offers, but it still does a great job at adding moisture to baked goods.

Can I use 2% milk instead of heavy cream for quiche? ›

For gluten-free crust, try making a sweet potato crust. The Custard: For your custard to set properly in the oven, use this easy ratio: 1 part dairy to 2 parts eggs. Classic custards use heavy cream, but 2% milk contains a fraction of the saturated fat and is still plenty rich.

Should quiche be cooked at 350 or 375? ›

BAKE in center of 375°F oven until center is almost set but jiggles slightly when dish is gently shaken and knife inserted near center comes out clean, 30 to 40 minutes.

Can you put too many eggs in a quiche? ›

The Kitchn cautions that using too many eggs can make the consistency of the quiche rubbery and tough, while using too few eggs can prevent the custard filling from setting properly, giving you a runny, soggy quiche. The recommended proportion is one egg to one-half cup of cream or milk.

Why put nutmeg in quiche? ›

Salt, cayenne pepper, ground nutmeg: These seasonings flavor of the quiche, with salt balancing the flavors, cayenne pepper adding a slight heat, and ground nutmeg providing a warm, nutty undertone.

Should you beat eggs for quiche? ›

BEAT eggs, milk, thyme and salt in medium bowl until blended. Carefully POUR over filling in pie shell. BAKE in center of 375°F oven until center is almost set but jiggles slightly when dish is gently shaken and knife inserted near center comes out clean, 30 to 40 minutes.

Why do you put flour in quiche? ›

Stirring breaks down the bonds between the egg proteins causing a custard cooked on a stove-top to be less thick than custards baked in an oven. Cornstarch and flour help bind the proteins together and help keep the custard in a quiche from curdling.

Why does my quiche taste bland? ›

It's possible, annep that you just didn't put enough cheese in or not enough seasoning.

Why is my quiche soggy? ›

Excess moisture is one reason why quiches collapse in a watery pool on your plate. Vegetables and meats like ham give off tremendous amounts of water when they're cooked. Therefore, if you're using vegetables in your quiche, it's imperative that you cook them first.

Should I cover my quiche when baking? ›

At 375F, it requires 25 minutes of baking time uncovered. At that point, you'll want to check things out because you don't want the crust to get too brown. If it's looking a bit well-done, cover it with aluminum foil and continue cooking for 10 more minutes.

Can I mix up a quiche the night before? ›

Quiche is one of the greatest make-ahead breakfasts I can think of. Meant to be served at room temperature—or even slightly chilled—you not only can make quiche ahead, you have to! That's one of the reasons it's so great for a celebratory morning breakfast.

Why is blind baking important when making quiche? ›

Blind baking is an essential component to perfect quiche. It creates a seal between the creamy interior and pastry bottom and ensures a crisp tart shell every time. Longer is better - Darina recommends blind baking your pastry for25 minutes.

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