Mini Crustless Spinach Quiches

Featured in: Retro American Dishes

These mini crustless quiches combine fresh spinach, eggs, cheese, and herbs for a nutritious and flavorful dish. Easy to prepare in under 35 minutes, they’re baked in a muffin tin to create individual portions perfect for breakfast, snack, or brunch. The tender, fluffy texture and rich cheese blend complement the vibrant spinach and subtle seasonings. Variations include adding bacon, ham, or sun-dried tomatoes, or swapping spinach with kale or Swiss chard. These cups freeze well, making them a convenient option for meal prep and light meals paired with a side salad.

Updated on Sun, 21 Dec 2025 11:40:00 GMT
Golden-brown mini crustless quiches, packed with spinach, ready for a healthy American breakfast. Save It
Golden-brown mini crustless quiches, packed with spinach, ready for a healthy American breakfast. | zetluna.com

I started making these on Sunday nights when I realized I was spending half my mornings staring into the fridge with no plan. The idea came from a coworker who swore by egg muffins, and I was skeptical until I tried them. Now I bake a batch every week, and by Wednesday morning, I'm grateful past-me thought ahead. They reheat in thirty seconds and taste like I actually tried, even when I definitely didn't.

The first time I brought these to a brunch, someone asked if I had catered it. I laughed because I'd made them in my pajamas the night before while listening to a podcast. They look impressive lined up on a plate, but the truth is they're just eggs and spinach doing their best. I've made them for potlucks, for myself, for mornings when I needed something easy that didn't feel like giving up.

Ingredients

  • Fresh spinach: I use it because it wilts down fast and doesn't leave the eggs watery like frozen spinach sometimes does, just make sure you chop it small so it mixes in evenly.
  • Onion and red bell pepper: These add sweetness and a little crunch, and I've learned that cooking them first makes all the difference in flavor.
  • Eggs: The base of everything here, and I always use large ones because it keeps the ratio consistent.
  • Milk: Just a splash to keep the eggs tender, and I've used almond milk before with no issues.
  • Shredded cheese: I go for sharp cheddar most of the time because it has more flavor, but mozzarella makes them milder if that's your thing.
  • Parmesan: A little goes a long way for that salty, nutty kick.
  • Salt, pepper, and nutmeg: Nutmeg is optional but it adds a warmth that feels fancy even though it's just a quick shake.
  • Fresh herbs: Chives or parsley brighten everything up, and I've even used dried in a pinch.

Instructions

Prep Your Pan:
Preheat your oven to 350 degrees and grease a muffin tin really well, because even nonstick pans can be liars. I usually use cooking spray, but brushing on a little butter works too and smells amazing.
Cook the Vegetables:
Sauté the onion and bell pepper in a skillet until they soften and start to smell sweet, then toss in the spinach and stir until it shrinks down. Let it cool a bit so it doesn't scramble the eggs when you mix everything together.
Whisk the Egg Mixture:
In a big bowl, whisk the eggs with milk, salt, pepper, and nutmeg until everything is smooth and a little frothy. Stir in both cheeses and the herbs, and it'll start to smell like something worth waking up for.
Combine and Fill:
Add the cooled spinach mixture to the eggs and stir until it's evenly mixed. Spoon the mixture into each muffin cup, filling them about three-quarters full so they have room to puff up.
Bake:
Slide the pan into the oven and bake for 18 to 22 minutes, until the tops are golden and the centers don't jiggle anymore. Your kitchen will smell like a weekend brunch spot.
Cool and Remove:
Let them sit in the pan for five minutes, then run a butter knife around the edges to loosen them. They should pop out easily, and if one sticks, it's usually because I got lazy with the greasing.
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I remember the morning my friend texted me a photo of these reheated in her office microwave with the caption you changed my life. It made me laugh, but also I got it. There's something about having real food ready to go that makes the whole day feel more manageable. These aren't fancy, but they're the kind of small win that actually matters.

How to Store and Reheat

I keep them in an airtight container in the fridge for up to five days, stacked with a little parchment between layers so they don't stick. Reheating takes thirty seconds in the microwave, and they come out just as fluffy as when they were fresh. If I'm freezing them, I let them cool completely first, then wrap each one in plastic wrap before tossing them all in a freezer bag.

Ways to Make Them Your Own

I've added crumbled bacon, diced ham, sun-dried tomatoes, and even leftover roasted vegetables depending on what's in my fridge. You can swap the spinach for kale or chard, or leave out the bell pepper if you don't love it. The base recipe is forgiving, so if you're the type who likes to improvise, this is a good place to do it.

Serving Suggestions

I usually eat two of these with a piece of toast and some fruit, but they're also great on their own if you're in a hurry. They work as a snack, a side dish, or even a light lunch with a simple salad. I've packed them for road trips and eaten them cold straight from the container, and honestly they're still good.

  • Serve them warm with hot sauce or salsa for a little kick.
  • Pair them with avocado slices and cherry tomatoes for a balanced plate.
  • Pack them in lunchboxes with a handful of berries and some nuts.
Savory mini crustless quiches, bursting with cheese and herbs, perfect for brunch or a snack. Save It
Savory mini crustless quiches, bursting with cheese and herbs, perfect for brunch or a snack. | zetluna.com

These little egg cups have become part of my routine, and I don't see that changing anytime soon. They're proof that taking care of yourself doesn't have to be complicated or time-consuming.

Common Questions About Recipes

Can I substitute spinach with other greens?

Yes, kale or Swiss chard can be used in place of spinach for a similar texture and flavor profile.

What cheese types work best in these cups?

Cheddar, feta, or mozzarella are recommended for a balanced, melty texture and taste, combined with Parmesan for added depth.

Are these cups suitable for gluten-free diets?

Yes, the ingredients contain no gluten, making them safe for gluten-free diets as prepared.

How can I add more flavor to the spinach cups?

Incorporate cooked bacon, ham, or sun-dried tomatoes to enhance richness and complexity.

What is the best way to store leftovers?

After cooling completely, store the cups in an airtight container and refrigerate for up to 2 months when frozen.

Mini Crustless Spinach Quiches

Protein-rich spinach and cheese cups baked to golden perfection for a wholesome start or snack.

Prep Time
15 mins
Time to Cook
20 mins
Overall Time
35 mins
Authored by Clara

Recipe Type Retro American Dishes

Skill Level Required Easy

Cuisine Type American

Recipe Output 12 Number of Portions

Dietary Needs Veggie-Friendly, Free of Gluten

The Ingredients You'll Need

Vegetables

01 2 cups fresh spinach, chopped
02 1/2 small onion, finely diced
03 1/2 red bell pepper, finely diced (optional)

Eggs & Dairy

01 6 large eggs
02 1/3 cup milk (dairy or unsweetened non-dairy)
03 1 cup shredded cheese (cheddar, feta, or mozzarella)
04 1/4 cup grated Parmesan cheese

Seasonings

01 1/2 teaspoon salt
02 1/4 teaspoon black pepper
03 1/4 teaspoon ground nutmeg (optional)
04 1 tablespoon fresh chives or parsley, chopped

Step-by-Step Instructions

Step 01

Preheat Oven: Set oven to 350°F and grease a 12-cup muffin tin with nonstick spray or line with silicone liners.

Step 02

Sauté Vegetables: Cook diced onion and bell pepper in a skillet over medium heat for 3 to 4 minutes until softened; add spinach and sauté until wilted, about 2 minutes; remove from heat and cool slightly.

Step 03

Prepare Egg Mixture: In a large bowl, whisk together eggs, milk, salt, pepper, and nutmeg; fold in shredded cheese, Parmesan, and chopped herbs.

Step 04

Combine Mixtures: Incorporate cooled spinach mixture into the egg mixture, stirring until well combined.

Step 05

Fill Muffin Tin: Distribute the mixture evenly among muffin cups, filling each about three-quarters full.

Step 06

Bake: Bake for 18 to 22 minutes until quiches are puffed and set in the center.

Step 07

Cool and Serve: Allow to cool for 5 minutes; run a knife around edges to remove from tin; serve warm or at room temperature.

Tools You'll Need

  • 12-cup muffin tin
  • Skillet
  • Mixing bowls
  • Whisk
  • Knife and cutting board

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains eggs and dairy products
  • Gluten-free as prepared

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 90
  • Fats: 6 grams
  • Carbohydrates: 2 grams
  • Proteins: 7 grams