Magnificent Mushroom & Spinach Crustless Quiche
Ditch the pastry! My Magnificent Mushroom & Spinach Crustless Quiche is easy, delicious, and packed with flavour. Perfect for a lazy Sunday brunch. Get the recipe!

Alright, so you're staring down a fridge full of almost-expired groceries? i got you. let's talk crustless quiche . seriously, have you ever realized how much time you waste making pie crust? well, no more! this magnificent mushroom & spinach crustless quiche recipe is about to become your new best friend.
It's savory, it's easy, and honestly, who needs the extra carbs anyway?
Why Go Crustless?
This crustless quiche takes inspiration from the french countryside, but it is simplified and it's truly american in its ease.
Think of it as a sophisticated breakfast, but without all the fuss. it's rated easy, my friend! you will spend 15 minutes prepping and 40- 45 minutes baking.
Total time is only under an hour, and you'll have six servings of pure, eggy goodness.
Benefits That Shine
Honestly, what’s not to love? eggs are packed with protein, and spinach is a superfood powerhouse. mushrooms? earthy goodness and flavor.
I would say this is perfect for a lazy sunday brunch, or even a light weeknight dinner. what makes this recipe extra special? well, the lack of crust, means that this crustless quiche recipe is lower in carbs and suitable for recipes for diabetics as well.
From Our Kitchen to Yours: Ingredient Time
Now that you know why you should make this, let's dive into the ingredients. for this crustless quiche recipes easy masterpiece, you'll need a tablespoon of olive oil, eight ounces of sliced cremini mushrooms, one chopped shallot, four ounces of fresh spinach, a teaspoon of dried thyme, salt and pepper to taste, four large eggs, a cup of whole milk, a half-cup of heavy cream and a half-cup of shredded gruyère cheese.
Don’t have gruyere? cheddar works too!. you'll also want a 9-inch pie dish, a skillet, and a whisk, so you can make sure everything gets mixed well before you bake it.
Alright, let's dive into what you'll need to make this magnificent mushroom & spinach crustless quiche ! don't worry, it's simpler than you think.
We're talking real food, real easy. no fancy chef skills required here. it's seriously one of those quiche recipes easy enough to whip up on a weekday.
Ingredients & Equipment
Main Ingredients
Okay, time for the good stuff. Let's get the numbers right.
- Olive oil: 1 tablespoon ( 15 ml ) - This is our base fat.
- Cremini mushrooms: 8 ounces , sliced ( 225g ) - Freshness matters! Look for firm, dry mushrooms.
- Shallot: 1 , finely chopped (medium size)
- Fresh spinach: 4 ounces , roughly chopped ( 115g ) - Vibrant green spinach, avoid any that's slimy.
- Dried thyme: 1 teaspoon
- Salt: ½ teaspoon (or to taste)
- Black pepper: ¼ teaspoon (or to taste)
- Large eggs: 4 - Room temperature is best. It helps them blend.
- Whole milk: 1 cup ( 240 ml )
- Heavy cream: ½ cup ( 120 ml )
- Shredded Gruyère cheese: ½ cup ( 50g ) - Adds that nutty, savory flavor!
This crustless quiche will be a guaranteed win!
Seasoning Notes
These are key to kicking up the flavor! I remember one time I forgot the thyme… big mistake.
- Essential spice combination: Thyme, salt, and pepper. This is the base! Don't skip these.
- Flavor enhancers and aromatics: Shallots bring a mild, sweet onion flavor. You know? It adds a touch of class.
- Quick substitution options: No thyme? Use oregano. It's close enough.
Seriously, this is one of those breakfast quiche recipes easy enough to make even when you're half-asleep.
Equipment Needed
Keep it simple. No need for every gadget in the kitchen.
- Essential tools only: 9-inch pie dish, large skillet, whisk. Honestly, that's it.
- Common household alternatives: If you don’t have a pie dish, a cake pan will work.
This also can be one of your favorite crustless quiche recipes easy to do because the ingridients can be easily subistitued.
Thinking of a twist? why not try a tuna quiche , just substitute the mushrooms with tuna, and see it becomes one of the quiche recipes crustless you like most.
Want it healthier? this also works as recipes for diabetics , just swap the milk for almond milk.

Alright, let's dive into the wonderful world of crustless quiche ! honestly, sometimes i just cannot be bothered with making pastry.
It's messy, takes ages, and let's be real, sometimes it just doesn't turn out right. that's where the crustless quiche comes in! it's like the chill cousin of the classic quiche, all the flavour, none of the fuss.
And the best part? it's so versatile! you can throw in pretty much anything you have in your fridge. this recipe is perfect for the home cook looking for quiche recipes easy .
Magnificent Mushroom & Spinach Crustless Quiche Recipe Card

⚖️ Ingredients:
- 1 tablespoon olive oil (15 ml)
- 8 ounces cremini mushrooms, sliced (225g)
- 1 shallot, finely chopped (1 medium)
- 4 ounces fresh spinach, roughly chopped (115g)
- 1 teaspoon dried thyme
- ½ teaspoon salt, or to taste
- ¼ teaspoon black pepper, or to taste
- 4 large eggs
- 1 cup whole milk (240 ml)
- ½ cup heavy cream (120 ml)
- ½ cup shredded Gruyère cheese (50g)
🥄 Instructions:
- Preheat the oven to 375°F (190°C). Lightly grease a 9-inch pie dish.
- Heat olive oil in a large skillet over medium heat. Add mushrooms and shallot, and sauté until softened and lightly browned. Add spinach and thyme; cook until spinach is wilted. Season with salt and pepper.
- In a large mixing bowl, whisk together eggs, milk, and heavy cream.
- Stir the sautéed mushroom and spinach mixture into the egg mixture. Add the Gruyère cheese and stir to combine.
- Pour the egg and vegetable mixture into the prepared pie dish.
- Bake for 40-45 minutes, or until the quiche is set and lightly golden brown on top. A knife inserted into the centre should come out mostly clean.
- Let cool for 10-15 minutes before slicing and serving.
Magnificent Mushroom & Spinach Crustless Quiche
This crustless quiche recipe is a total game-changer. this recipe gives you a simple, delicious, and healthy meal. we’re talking earthy mushrooms, vibrant spinach, and a creamy, dreamy filling.
It’s perfect for brunch with the girls, a quick lunch, or even a light supper. plus, if you are looking for recipes for diabetics , this fits the bill perfectly! i tell ya, my friend’s grandma swears by it! now that’s a tip if i ever saw one.
Prep Steps: Your Mise en Place Mission
First things first, let's get organized. this is called mise en place , people. grab your ingredients, and get them prepped.
Slice those 8 ounces of cremini mushrooms . chop that one shallot nice and fine. roughly chop 4 ounces of fresh spinach .
Don’t forget to preheat your oven to 375° f ( 190° c) . and give your 9-inch pie dish a light greasing.
This breakfast quiche recipes easy are the best!
Step-by-Step: Quiche Perfection
- Sauté the Goodness: Heat 1 tablespoon olive oil in a skillet. Sauté mushrooms and shallot until softened. Throw in the spinach and 1 teaspoon dried thyme until wilted. Season with ½ teaspoon salt and ¼ teaspoon black pepper .
- Whisk it Up: In a bowl, whisk 4 large eggs , 1 cup whole milk , and ½ cup heavy cream .
- Combine & Conquer: Stir the mushroom and spinach mixture into the egg mixture. Add ½ cup shredded Gruyère cheese .
- Pour it Out: Pour the whole shebang into your prepared pie dish.
- Bake Time! Bake for 40- 45 minutes , or until set and golden. A knife should come out mostly clean. The visual cues are what you’re looking for.
- Cool it Down: Let it cool for 10- 15 minutes before slicing.
Pro Tips: Quiche Master
- Don’t Overcook! Seriously, rubbery quiche is no fun.
- If you are looking for Breakfast Quiche Recipes , try adding crispy bacon for a salty bite. This is an example of Quiche Recipes Crustless . Also, if you're using frozen spinach, squeeze out the extra water. No one likes a soggy bottom.
- Did you know that there are different variations of Tuna Quiche . It's so versatile.
Alright, let's talk about what makes this magnificent mushroom & spinach crustless quiche extra special! it's not just the recipe, it's all the little things that elevate it.
Kinda like that perfect playlist for a road trip, you know?
Recipe Notes
This isn't your grandma's fussy quiche. i’m always trying to find quiche crustless options because honestly, who has time for pie crust these days? this crustless quiche recipe is truly easy .
I have found that there are so many ways to use this recipe! it's packed with flavour and perfect for any meal.
Plus, it's a winner for those watching their carbs.
Serving It Up Right
Presentation is key! i love serving this crustless quiche straight from the pie dish. a simple sprinkle of fresh parsley adds a pop of color.
For a fancy brunch, try slicing it into wedges and arranging them on a platter with a side of mixed greens.
A light vinaigrette is the perfect complement. if you want it extra fancy, add some edible flowers that really take it over the top! for drinks, i recommend a crisp white wine like pinot grigio or a refreshing mimosa.
Storage Superpowers
Got leftovers? no problem! this crustless quiche recipes easy keeps well. you can refrigerate it for up to 3 days in an airtight container.
For longer storage, you can freeze individual slices. just wrap them tightly in plastic wrap and then place them in a freezer bag.
When reheating, thaw overnight in the fridge. then, warm it up in the oven at 350° f ( 175° c) until heated through.
Microwaving works too, but it can make it a little rubbery.
Remixing the Recipe
Want to mix things up? go for it! for a dietary adaptation, this recipe works great as one of your recipes for diabetics , just be sure to use low-fat or skim milk! you can also try adding roasted red peppers or zucchini for a seasonal swap.
If you're feeling adventurous, add crumbled bacon for a crustless quiche recipes easy take on quiche lorraine. or, if you are a fan of fish, you can even make a tuna quiche .
Nutrition Nuggets
Okay, let's talk health. each serving of this crustless quiche has about 280 calories, 14g of protein, 21g of fat, and 8g of carbs.
It's a good source of protein and calcium. plus, spinach is packed with vitamins and minerals. keep in mind, these are estimates! it's all about balance, right? a lot of the breakfast quiche recipes easy are high in calories.
Honestly, this crustless quiche recipe is a lifesaver on busy mornings. i will find myself making this for a potluck dish.
Don't be afraid to experiment and make it your own. you got this!

Frequently Asked Questions
Can I prepare the crustless quiche filling ahead of time?
Absolutely! You can sauté the mushrooms and spinach a day in advance and store them in the fridge. Just make sure they've cooled completely before storing. When you're ready to bake, simply whisk together the eggs, dairy, and cheese, then combine with the cooked vegetables. This is a proper "Blue Peter" style trick, prepping in advance.
How do I store leftover Magnificent Mushroom & Spinach crustless quiche?
Leftover crustless quiche can be stored in the fridge for up to 3-4 days. Make sure it's properly cooled and kept in an airtight container. It's great cold, or you can gently reheat it in the oven or microwave. Just remember, microwaving can sometimes affect the texture, so a low oven is best for retaining that creamy filling.
What are some good substitutions for Gruyère cheese in this crustless quiche recipe?
If you haven't got any Gruyère kicking about (we all have those moments!), a few good substitutes would be cheddar, Swiss, or even Monterey Jack. They'll all melt nicely and give you a similar flavour profile. Just bear in mind that cheddar will bring a stronger flavour, so if you prefer a more subtle taste, stick with Swiss or Monterey Jack.
Is this Magnificent Mushroom & Spinach crustless quiche recipe healthy? What about the calories?
This recipe offers a good balance of protein, vegetables, and healthy fats. Each serving contains an estimated 280 calories, making it a satisfying but not overly heavy meal. You can lighten it up further by using skimmed milk or a smaller amount of cheese. Always remember, portion control is key to enjoying your favourite dishes as part of a balanced diet!
Why did my crustless quiche turn out watery?
A watery crustless quiche usually indicates too much moisture in the filling. Be sure to thoroughly cook the vegetables (especially if using frozen spinach, squeeze all the water) to evaporate any excess liquid before adding them to the egg mixture. Also, avoid using very watery cheeses. You might also want to consider slightly reducing the amount of milk or cream.
Can I add meat to this crustless quiche, and how would that change the recipe?
Absolutely! For a Quiche Lorraine twist, crumbled cooked bacon or diced ham are fantastic additions. Sauté the bacon or ham separately before adding it to the mushroom and spinach mixture. The overall cooking time should remain about the same, but always check that the quiche is set in the middle with a clean knife before removing it from the oven, just like they do on Bake-Off.
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