The Ultimate Vegan Quiche: A Flaky, Flavorful Plant-Based Brunch Essential

Sunday brunch calls for an unforgettable centerpiece, and this incredible Vegan Quiche is here to deliver. Crafted with a delicate, flaky crust, a rich and savory tofu-based filling, and an abundance of perfectly cooked vegetables, this classic recipe is not only entirely customizable but also surprisingly easy to prepare. Perfect for feeding a crowd, it’s so remarkably delicious that no one will guess it’s 100% plant-based. Get ready to impress your guests with a quiche that rivals its traditional counterparts in every way!

Imagine your brunch table, adorned with fresh flowers and vibrant dishes, all centered around a comforting, golden-brown Vegan Quiche. This isn’t just a meal; it’s an experience that will captivate your guests from the moment they lay eyes on it. Its lusciously soft texture and generous filling of flavorful cooked vegetables make this tofu quiche a standout dish. What’s more, it’s often easier and quicker to assemble than a traditional Quiche Lorraine, proving that plant-based doesn’t mean compromising on classic comfort.

Encased within a wonderfully flaky, homemade almond flour pie crust, the heart of this quiche lies in its creamy tofu filling. Expertly seasoned to mimic the cheesy and eggy notes of traditional quiche, and generously studded with vibrant cooked vegetables like tender mushrooms and spinach, along with bursts of sweet sun-dried tomatoes, each bite is a symphony of flavors and textures. This dish is so satisfying, you’ll find yourself reaching for slice after slice. And the best part? Leftovers are a dream – easily stored and just as delicious hot or cold for several days, making it perfect for meal prep or a quick weekday breakfast.

Creating a vegan quiche, especially the filling, becomes incredibly simple and yields a phenomenal texture when utilizing a food processor. Once baked to perfection, serve your savory vegan spinach quiche alongside all your favorite brunch accompaniments. Spoil your guests with hearty slices complemented by homemade breakfast potatoes, fluffy vegan French toast, and delightful apple fritters. This isn’t just brunch; it’s a plant-based feast!

The Foundation: Crafting the Perfect Vegan Quiche Crust

A truly exceptional quiche begins with an outstanding crust. Our gluten-free almond flour crust provides the ideal balance of flakiness and subtle nutty flavor, serving as the perfect vessel for the rich filling. While the idea of a homemade crust might seem daunting, our method simplifies the process, especially with the aid of a food processor.

Step 1: Preparing Your Vegan Egg Substitute

To create a crucial binder for our crust, we start with a simple flax egg. In a small bowl, combine 1 tablespoon of ground flaxseeds with 2.5 tablespoons of water. Give it a quick stir and set it aside for about 5 minutes. During this time, the flaxseeds will absorb the water, creating a gelatinous mixture that perfectly mimics the binding properties of an egg, ensuring your crust holds together beautifully.

Step 2: Mixing the Dry and Wet Ingredients for the Crust

In your food processor, combine the dry ingredients for the crust: 1 cup of almond flour, 1 cup of gluten-free all-purpose flour (King Arthur brand is highly recommended for its consistent results), and 1/2 teaspoon of salt. Pulse these ingredients a few times to ensure they are well combined. This initial step evenly distributes the leavening and seasonings throughout the flour mixture.

Next, with the food processor running, slowly drizzle in 2 tablespoons of olive oil and your prepared flax egg. The oil adds richness and helps create that desirable flaky texture. Continue to pulse, gradually adding 2-4 tablespoons of water, as needed, until the dough comes together. The key is to add water sparingly, checking the consistency by pinching a small amount between your fingers; it should stick together without being overly wet or crumbly.

Step 3: Forming and Blind Baking the Crust

Once your dough is ready, crumble it evenly into a lightly greased 9-inch quiche pan or pie pan. Using your fingertips or the back of a spoon, press the mixture firmly and evenly onto the bottom and up the sides of the pan. Pay close attention to the edges to create a neat, robust rim. Before baking, use a fork to poke several holes across the bottom of the crust. This crucial step, known as blind baking, allows steam to escape, preventing the crust from puffing up and ensuring a delightfully crisp, non-soggy bottom. Blind bake the crust in a preheated oven at 350°F (175°C) for 12 minutes. Once baked, remove it from the oven and set it aside to cool while you prepare the filling, and increase your oven temperature to 375°F (190°C).

The Heart of the Dish: Creating the Creamy Vegan Quiche Filling

The filling is where the magic truly happens, transforming simple ingredients into a savory, “eggy” delight. Our tofu-based filling delivers an incredibly creamy texture and rich flavor that perfectly complements the flaky crust.

Step 1: Sautéing the Flavorful Vegetables

In a medium skillet, heat 1 tablespoon of olive oil over medium heat. Add 2 minced garlic cloves and 1 cup of chopped mushrooms. Sauté for 3-4 minutes, or until the mushrooms have softened and released their moisture. Next, add 1 cup of chopped baby spinach to the skillet and stir until it wilts completely. This pre-cooking step concentrates the flavors of the vegetables and removes excess moisture, preventing a watery quiche. Once cooked, remove the vegetables from the heat and set them aside.

Step 2: Preparing the Tofu Base in the Food Processor

For the creamy base of our quiche, transfer a 14-ounce block of firm tofu (drained, no need to press heavily) to your food processor. Add 2 tablespoons of unsweetened almond milk, 2 tablespoons of nutritional yeast (for that essential cheesy flavor), 1/4 teaspoon of onion powder, 1/4 teaspoon of turmeric (for color and a subtle earthy note), and 3/4 teaspoon of salt (or more to taste). Blend these ingredients until the mixture is completely smooth and creamy, stopping to scrape down the sides of the processor bowl as needed to ensure everything is incorporated.

Step 3: Combining, Pouring, and Baking to Perfection

Once the tofu base is smooth, add the sautéed garlic, mushrooms, and spinach mixture to the food processor. Pulse a few times to combine the vegetables with the tofu base. Be careful not to over-blend; you want noticeable pieces of vegetables to remain, adding delightful texture to each bite.

Carefully pour the rich filling into your pre-baked crust, spreading it evenly with a spatula. For an extra touch of flavor and visual appeal, press 1/3 cup of chopped sun-dried tomatoes (or cherry tomatoes sliced in half) into the top of the quiche. Bake the quiche in the preheated 375°F (190°C) oven for approximately 35 minutes, or until the top is golden and the filling is firm to the touch when gently pressed.

Allow the finished quiche to cool for at least 10-15 minutes before slicing and serving. This cooling period is crucial as it allows the filling to fully set, ensuring clean, perfect slices every time. Serve warm or at room temperature, and prepare for rave reviews!

Expert Tips and Smart Substitutions for Your Vegan Quiche

This vegan quiche recipe is incredibly forgiving and versatile, allowing you to tailor it to your dietary needs, preferences, or what you have on hand. Here are some expert tips and smart substitutions to make your quiche experience even better:

For an Oil-Free Version: To make this recipe completely oil-free, simply omit the olive oil used in the crust and replace it with an equal amount of water. For sautéing the vegetables, use vegetable broth or water instead of oil. The flavor will still be rich and satisfying.
Nut-Free Adaptations: If you have a nut allergy or prefer a nut-free option, use soy milk or coconut milk (from a carton, not canned full-fat) in the filling instead of almond milk. For the crust, consider using my Easy Vegan Pie Crust, which is typically nut-free, or a store-bought vegan pie crust made without nuts.
Achieving a More “Eggy” Flavor: For a distinct, sulfurous “eggy” taste that truly mimics traditional quiche, replace regular salt with black salt (also known as kala namak) in the filling. A small amount goes a long way in transforming the flavor profile.
Short on Time?: Life gets busy! If you’re pressed for time, don’t hesitate to use a store-bought vegan pie crust. Many brands offer excellent pre-made crusts that will significantly reduce your prep time. Just ensure it’s blind-baked according to package directions if required.
Make Ahead for Convenience: This quiche is a fantastic make-ahead option. Prepare the entire quiche up until the baking step. Cover it tightly and store it in the refrigerator overnight. The next morning, simply pop it into the oven and bake fresh. This is perfect for stress-free entertaining or a leisurely morning.

Storing Leftovers for Extended Enjoyment

One of the many joys of this vegan quiche is how well it keeps. Whether you have a whole quiche left or just individual slices, store them covered tightly in the fridge. It will remain delicious for 3 to 4 days. The quiche is delightful served warm, reheated gently in the oven or microwave, or surprisingly, straight from the fridge as a cold snack or light meal. Its versatility makes it an excellent choice for meal prepping throughout the week.

Unleash Your Creativity: Customize Your Vegan Quiche

My vegan quiche recipe serves as an incredible canvas for culinary creativity. Its versatile nature means you can easily customize it to suit your personal tastes, seasonal ingredients, or whatever vegetables are lurking in your fridge. Don’t be afraid to experiment!

Vegetable Variations

Instead of, or in addition to, mushrooms, spinach, and garlic, consider a rainbow of other vegetables. Think vibrant chopped broccoli florets, sweet caramelized onions, tender asparagus spears, hearty kale, colorful bell peppers, or juicy tomatoes. You can even roast vegetables like zucchini or sweet potatoes beforehand for an extra depth of flavor. Aim for approximately 2 cups of total chopped vegetables in the quiche filling to maintain the ideal texture.

Hearty Protein Boosts

For a more substantial and satisfying quiche, incorporate your favorite vegan breakfast proteins. I particularly love the addition of savory tempeh sausage, crispy tempeh bacon, or even a store-bought vegan bacon, crumbled and pan-fried, to impart those classic, smoky flavors often found in traditional quiches. Crumbled seasoned chickpeas or even plant-based chorizo can also add an exciting twist.

Crust Alternatives for Every Preference

While the almond flour crust in this recipe is fantastic and gluten-free, you might desire a different texture or preparation method. My Vegan Pie Crust offers a more traditional, buttery, and incredibly flaky experience that doesn’t require pre-baking. This can be a real time-saver and delivers a classic pie-crust bite. Simply line your pan with this crust, add the filling, and bake!

Elevate with Toppings and Garnish

Don’t underestimate the power of toppings to finish your quiche with flair. I adore pressing ⅓ of a cup of vibrant sun-dried tomatoes directly into the top of the quiche before it goes into the oven, allowing their flavors to meld beautifully. Other fantastic choices include thin slices of fresh tomatoes, elegantly arranged asparagus tips, or a generous sprinkle of fresh herbs like chopped parsley, chives, or dill after baking. A dusting of vegan parmesan cheese can also add a delightful savory finish.

Craving More “Eggy” Vegan Breakfast Recipes?

If this vegan quiche has sparked your love for plant-based “eggy” breakfasts, you’re in for a treat! There’s a whole world of delicious and satisfying options to explore that will leave you feeling nourished and delighted. Here are some more favorites to add to your repertoire:

Vegan Breakfast Casserole: A hearty and customizable dish perfect for feeding a crowd, packed with veggies and plant-based protein.
Vegan Omelette: Achieve the classic fluffy texture and savory flavor of an omelette, entirely plant-based.
The Best Tofu Scramble: A staple for any vegan breakfast lover, this scramble is seasoned to perfection for an authentic “eggy” experience.
Fried Vegan Eggs: Yes, you can even make fried vegan eggs! Perfect for topping toast or adding to a breakfast sandwich.

Easy Vegan Quiche Recipe

Recipe Summary

Sunday brunch calls for this incredible Vegan Quiche. Made with cooked vegetables, tofu, and a flaky crust, this classic and customizable recipe is perfect for a crowd! No one will believe it’s 100% vegan.

Prep Time: 20 mins
Cook Time: 47 mins
Total Time: 1 hr 7 mins
Servings: 8 servings

Ingredients

Gluten-Free Crust OR make my Easy Vegan Pie Crust instead

1 tablespoon ground flaxseeds
2.5 tablespoons water
1 cup almond flour
1 cup gluten-free all-purpose flour (I used King Arthur brand)
1/2 teaspoon salt
2 tablespoons olive oil
2-4 tablespoons water, as needed

Filling

1 tablespoon olive oil
2 garlic cloves, minced
1 cup chopped mushrooms
1 cup chopped baby spinach
14-ounce block firm tofu, drained (no need to press)
2 tablespoons unsweetened almond milk
2 tablespoons nutritional yeast
1/4 teaspoon onion powder
1/4 teaspoon turmeric
3/4 teaspoon salt, or more to taste
1/3 cup chopped sun-dried tomatoes, or cherry tomatoes sliced in half

Instructions

For the Crust

Preheat the oven to 350°F (175°C) and lightly grease a 9-inch quiche pan or a 9-inch pie pan.
Combine the ground flaxseeds and water in a small bowl and set aside. This is your flax egg.
In a food processor, add the dry ingredients (almond flour, gluten-free flour, and salt) and pulse to combine. With the food processor running, slowly drizzle in the olive oil and flax egg. Add 2-4 tablespoons water and pulse, as needed, until the dough sticks together when you press it between your fingers.
Crumble the dough into the pan and press the mixture evenly on the bottom and up the sides of the pan. Press firmly and evenly. Poke a few holes in the bottom of the crust, and then bake for 12 minutes. Remove and set aside while you make the filling. Increase the oven temperature to 375°F (190°C).

For the Filling

In a medium skillet, sauté the garlic and mushrooms over medium heat for 3-4 minutes, until the mushrooms soften. Now add the spinach and stir until it wilts. Remove from heat and set aside.
In the food processor, add the drained tofu (no need to press it), almond milk, nutritional yeast, onion powder, turmeric, and salt. Blend until very smooth, scraping down the sides as needed. Add the cooked vegetable mixture, and pulse a few times to combine, but don’t blend – you want there to be a lot of texture left.
Pour the filling into the crust and spread evenly using a spatula. Press the sun-dried tomato pieces or fresh tomatoes into the top of the quiche. Bake for about 35 minutes, until the top is firm.
Cool for 10-15 minutes before slicing. Serve and enjoy! Leftover quiche will save in the refrigerator for 3-4 days.

Notes

For a more traditional crust, make my Easy Vegan Pie Crust instead. There is no need to pre-bake that crust; simply line your pan with the crust, add the filling, and bake.
To make the recipe oil-free, simply omit the olive oil in the crust and sauté the vegetables in broth or water.
Substitute the mushrooms and spinach with other vegetables, such as 2 cups chopped small broccoli, asparagus, kale, tomatoes, or onions. It’s very customizable depending on your tastes! You could also add some tempeh bacon or tofu bacon, crumbled up.
Use black salt instead of regular salt for a more eggy-tasting vegan quiche.

Nutrition Information (per serving)

Serving: 1 serving
Calories: 248 kcal
Carbohydrates: 19g
Protein: 11g
Fat: 15g
Saturated Fat: 2g
Sodium: 377mg
Potassium: 168mg
Fiber: 4g
Sugar: 1g
Vitamin A: 352 IU
Vitamin C: 1mg
Calcium: 106mg
Iron: 2mg

Recipe Details

Course: Breakfast
Cuisine: American
Author: Nora Taylor

*This recipe was originally published in December 2018 and has been updated with new photos and information.