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Home  ›  Recipes  ›  Course  ›  Breakfast

Mushroom Asparagus Crustless Quiche

See Recipe Review

Posted:

05/19/17

Updated:

09/10/24

By:

Ashley Walterhouse

This post may contain affiliate links. See my disclosure policy.

This Mushroom Asparagus Crustless Quiche is a must for your next breakfast, brunch, lunch OR dinner! It is that good. Vegetarian, dairy-free, gluten-free, Paleo and Whole30 compliant.

Mushroom Asparagus Crustless Quiche on a white plate pinterest

  • Now for the Mushroom Asparagus Crustless Quiche!
  • What you need
  • Mushroom Asparagus Crustless Quiche
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Real talk: I haven’t been giving myself enough credit lately… I don’t think women in general give themselves enough credit.  Probably something we could work on. I’ve been all-out sprinting this week to get things done and I had one day earlier this week where I found myself doing dishes in the afternoon and I thought “Gosh today was such a wash…” No pun intended. I didn’t have the day go according to plan at all. I was frustrated and physically exhausted but knew another busy day was before me, leaving me mentally exhausted as well. I stopped my thoughts from carrying on in a negative fashion and thought to myself, “Alright. Today may not have been the best. But you’re still freaking killing it. Tomorrow will be better. YOU GOT THIS.”

Mushroom Asparagus Crustless Quiche on white plate

As silly as that sounds, those pep talks help. The next day I had a killer productive day. I shot three recipes, one being this crustless quiche… but in the middle of me taking photos for the quiche my frazzled self had a million other things going on in my head. Running through everything on my to-do list that was left, simultaneously finishing up the recipe shoot. “Should I even share this… Does the world really need another crustless quiche?”  …I don’t know if it does. But what I do know is that I want the world to have this quiche. And as I took a bite I thought, “Damn. This is a good freaking quiche… Nice work.” So right there I answered my own question; YES this world does in fact need another crustless quiche. Because this recipe deserves some credit. Just like you probably deserve some credit. So I share this crustless quiche as reminder–to both you and I–to give yourself some more credit, okay? Whether you’re a husband, a wife, a father, a mother, a boss lady, an entrepreneur, a high school senior, a college graduate and so on and so forth. If you’ve been busting your ass take some time and give yourself some credit. You deserve it. 

Now for the Mushroom Asparagus Crustless Quiche!

Mushroom Asparagus Crustless Quiche slice with tomato on white plate

What’s funny about this crustless quiche is I actually first attempted one with a crust about a month ago but failed quite miserably… Well, it wasn’t that miserable but the execution was pretty funny. Picture me set on making my own crust, only to realize my crust was too puffy for the pan. So when I went to poor the filling into the crust, it basically spilled all over. I was bound to make it work though… AKA stubborn. So I tried my best to still transfer the pan into the oven… but as you may have guessed I still spilled the filling all over the place 😀 I am NOT a chef, you guys. You live and you learn…

And what I happened to learn was I am still not ready for a homemade crust + quiche… So crustless it is!

What you need

  • onion
  • mushrooms
  • asparagus
  • eggs
  • milk or cream (non-dairy or coconut milk)
  • shredded potato
  • dried thyme
  • dried rosemary
  • paprika
  • garlic powder
  • tomatoes
steps to make crustless quiche in clear pie plate

So *technically* speaking quiche is part eggs part cream (of half-n-half). But because I was going for a dairy-free option I just used unsweetened almond milk. If you want a little richer texture and don’t mind the taste of coconut, you could use a full-fat canned coconut milk if you’d like.

The rest of the filling is just sautéed onions, mushrooms, and asparagus. I also decided to throw in some shredded potato for a little extra filling because why the heck not? It is then seasoned with paprika, thyme and a little rosemary–perfect for this combination of veggies.

Top off the dish with some thinly sliced tomatoes for a little color and you’re good to go!

crustless quiche with asparagus, mushroom, onion, tomato in clear pie plate

I love how this recipe came out and I hope you enjoy it as well!

If you make this crustless quiche (or anything from the blog) tag me on Instagram so I can see! I love seeing what you’ve made 🙂 #fitmittenkitchen

Mushroom Asparagus Crustless Quiche with sliced tomato on white plate with fork

.

5 from 2 votes

Mushroom Asparagus Crustless Quiche

Prep: 10 minutes minutes
Cook: 40 minutes minutes
Total: 50 minutes minutes
This Mushroom Asparagus Crustless Quiche is a must for your next breakfast, brunch, lunch OR dinner! It is that good. Vegetarian, dairy-free, gluten-free, Paleo and Whole30 compliant.
Mushroom Asparagus Crustless Quiche with sliced tomato on white plate with fork
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Author: Ashley Walterhouse
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Servings 8 -10

Ingredients

  • 1 TBS oil, avocado, coconut, etc.
  • 1/2 medium sweet onion, diced
  • 1/2 lb asparagus, cut in half (about 1 1/2 cups)
  • 1 cup sliced baby portabella mushrooms
  • 6 large eggs
  • 1/2 cup non-dairy milk or canned coconut milk*
  • 1 cup shredded potato, water squeezed out (about 2 medium–russet, red, or sweet all work)
  • 1 tsp dried thyme
  • 1/2 tsp dried rosemary
  • 1/4 tsp paprika
  • salt & pepper to taste
  • 1 large heirloom tomato, thinly sliced into 1/4″ (optional)

Instructions

  • Preheat oven to 350F. Grease a 9″ pie dish with butter or oil. Set aside.
  • Heat a large skillet to medium heat. Add oil, diced onion, asparagus, and sliced mushrooms. Saute for 4-5 minutes over medium heat. Remove from burner and allow to cool.
  • In a large bowl combine the eggs with the milk, then gently fold in the shredded potato (don’t forget to squeeze out excess liquid!) and add in the seasonings plus salt and pepper.
  • Pour egg and potato mixture into greased pie dish. Gently transfer sauteed veggies into dish, evenly distributing. Top with sliced tomato if using.
  • Bake for 35-40 minutes, or until center of dish is set. Allow dish to cool for 10 minutes before cutting and serving. Enjoy!
★ Last step! If you make this, please leave a review letting us know how it was!

Recipe Notes:

*may sub half-n-half or milk of choice if not dairy-free

Nutrition Information

Serving: 1/8th, Calories: 136kcal (7%), Carbohydrates: 14g (5%), Protein: 7g (14%), Fat: 6g (9%), Saturated Fat: 2g (13%), Polyunsaturated Fat: 4g, Cholesterol: 140mg (47%), Sodium: 102mg (4%), Fiber: 2g (8%), Sugar: 3g (3%)
Like this?Leave a comment below!

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About

Ashley Walterhouse

Ashley Walterhouse is the founder of Fit Mitten Kitchen, based in the Greater Lansing Area of Michigan, AKA “the Mitten.” Ashley grew up as a picky eater but later discovered that eating healthy was actually easy and fun. She started FMK in 2015 as a way to share her newfound love of developing healthier recipes for all to enjoy.
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5 from 2 votes

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Recipe Rating




11 responses

  1. mathew
    September 19, 2025

    5 stars
    THE WORLD DEFINITELY NEEDED THIS RECIPE ASHLEY! THANK YOU!

    Reply
    1. Ashley Walterhouse
      October 21, 2025

      Thank you so much!

      Reply
  2. Debbie
    August 30, 2020

    So good!!!

    Reply
  3. Claire Gough
    May 21, 2020

    Can you freeze it?

    Reply
    1. Ashley
      May 21, 2020

      I actually haven’t tried that with this recipe but I imagine that would be fine if kept tightly wrapped. I think thawing in fridge and then reheating in a toaster oven or oven would give it the best texture.

      Reply
      1. Claire Gough
        May 22, 2020

        Thank you 🙂

        Reply
  4. Drew
    March 15, 2019

    5 stars
    This quiche is a keeper for sure!

    Reply
  5. Emily
    May 20, 2017

    I’m glad you shared this; I love quiches. And it’s so beautiful and pretty Ashley! <3

    Reply
    1. Ashley
      May 22, 2017

      Thanks so much Emily! I can’t pass a quiche up when at brunch 🙂

      Reply
  6. Beverley @ Born to Sweat
    May 19, 2017

    mmmm yes please! my least fav part about any quiche is the crust, so i’m game for this one. i don’t have a round pan so mine will turn out square hahaha. can’t wait to try it with the coconut milk too!!! great recipe Ashley <3

    Reply
    1. Ashley
      May 22, 2017

      Wow you might be the only person I’ve heard say you don’t like a crust on a quiche! But I am glad you will probably like this one then 😀

      Reply

Hey there!

I’m Ashley – I started Fit Mitten Kitchen in 2015 to share healthier recipes. Here we balance real food with desserts and healthy snacks making life easy, nutritious and delicious.

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