Mini Crustless Spinach Cups

Featured in: Simple Weekday Essentials

These mini crustless spinach cups combine fresh spinach, a blend of cheeses, and aromatic herbs for a wholesome start to your day. Light and fluffy, they bake in under 25 minutes and offer a gluten-free, vegetarian option that's perfect for breakfast, a snack, or brunch. Easy to prepare and customizable with ingredients like kale or sun-dried tomatoes, these protein-packed cups deliver flavorful satisfaction in every bite.

Updated on Mon, 22 Dec 2025 13:29:00 GMT
Fluffy, golden brown mini crustless quiches, bursting with spinach and cheese, perfect for brunch. Save
Fluffy, golden brown mini crustless quiches, bursting with spinach and cheese, perfect for brunch. | sagekettle.com

There's something about the rhythm of a muffin tin that makes cooking feel purposeful. Years ago, I was scrambling to pack something protein-filled for a chaotic Tuesday morning when it hit me—what if I just treated eggs like a quick bread and baked them in cups? Twenty minutes later, I had these little golden egg cups, and suddenly breakfast became something I could actually plan ahead for.

I made these for a Sunday brunch when my sister's new girlfriend came over, and watching someone's face light up when they realized it was just eggs and vegetables—no crust, no complicated technique—felt like a small victory in the kitchen. She asked for the recipe before dessert.

Ingredients

  • Fresh spinach: Two cups sounds like a lot until it hits heat and collapses into about a quarter of its original volume—don't be shy.
  • Onion and bell pepper: The softer you cook these first, the more their sweetness comes through in every bite.
  • Large eggs: These are your structure, so quality matters more than you'd think.
  • Milk: Dairy or non-dairy both work, but stick with unsweetened or your quiches will taste confused.
  • Cheese blend: Sharp cheddar, tangy feta, or mild mozzarella all behave differently, so choose based on what you're craving.
  • Parmesan: A quarter cup might seem small, but it's doing serious flavor work here.
  • Salt, pepper, and nutmeg: The nutmeg is optional but it's the secret that makes people ask what's different about yours.
  • Fresh herbs: Chives or parsley finish the flavor in a way dried herbs never quite do.

Instructions

Set the stage:
Preheat your oven to 350°F and grease your muffin tin thoroughly—these need to release cleanly or you'll wrestle with them.
Build the base:
Sauté your diced onion and bell pepper in a skillet over medium heat for about three to four minutes until they soften and start to smell sweet. Watch for the edges to turn golden, then add your chopped spinach and let it wilt down.
Whisk your binding:
In a large bowl, whisk together your eggs and milk until they're completely combined, then season with salt, pepper, and nutmeg if you're using it. The mixture should look pale and slightly frothy.
Bring it together:
Stir in both cheeses and your fresh herbs, then fold in that cooled spinach mixture until it's evenly distributed throughout.
Fill and bake:
Divide the mixture among your muffin cups, filling each about three-quarters full—this gives them room to puff without spilling over. Bake for eighteen to twenty-two minutes until they're golden on top and set in the center, though a tiny jiggle is fine.
Release and serve:
Let them cool for five minutes so they firm up just enough, then run a thin knife around the edges to loosen them before turning the tin upside down or popping them out with a fork.
A close-up of baked mini crustless quiches, showing a tender egg interior with spinach, ready to eat. Save
A close-up of baked mini crustless quiches, showing a tender egg interior with spinach, ready to eat. | sagekettle.com

The first time I brought these to a potluck, someone ate four and asked if I was starting a business. That's when I realized these little cups had accidentally become my signature move.

The Flavor Combinations That Work

Once you nail the basic technique, the real fun starts. I've learned through happy accidents that crispy bacon and sharp cheddar are practically meant for each other, while sun-dried tomatoes give the whole thing a summery depth that people don't expect from something so simple. Even swapping your greens—kale instead of spinach, Swiss chard instead of either—changes the personality of the batch in ways that feel intentional, not boring.

Making Them Work for Your Life

These freeze beautifully, which means one afternoon of cooking can set you up for mornings when you genuinely cannot remember why you agreed to wake up at six. Cool them completely first, then stack them in an airtight container where they'll keep for up to two months. On busy mornings, just reheat one in the microwave for about thirty seconds and suddenly breakfast feels almost fancy.

Small Things That Make a Difference

The details I've collected over countless batches have taught me that recipe-writing doesn't capture the actual experience of cooking. The way the eggs puff in the oven is satisfying to watch, the smell of melted cheese and herbs filling your kitchen feels like abundance, and the fact that you can make a week's worth of breakfasts in less time than it takes to order takeout feels like cheating, but better.

  • If you're meal-prepping, these stay fresh in the fridge for four days if stored in an airtight container.
  • Serve them with a crisp salad or a handful of berries for a complete meal that actually feels intentional.
  • Silicone muffin liners make removal so much easier than greasing, and cleanup becomes almost effortless.
Freshly-baked mini crustless quiches, served warm, showcasing a savory breakfast with herbs and cheese. Save
Freshly-baked mini crustless quiches, served warm, showcasing a savory breakfast with herbs and cheese. | sagekettle.com

These quiches proved to me that the best recipes are the ones that fit into your actual life, not the other way around. Keep making them until they feel like an easy habit.

Recipe Q&A

Can I substitute spinach with other greens?

Yes, kale or Swiss chard are excellent alternatives and work well with the egg and cheese base.

How do I prevent the cups from sticking to the tin?

Greasing the muffin tin with nonstick spray or using silicone liners ensures easy removal after baking.

What cheeses work best in these cups?

Cheddar, feta, mozzarella, and Parmesan provide great flavor and melt nicely in this dish.

Can I prepare these in advance?

Yes, they freeze well once cooled. Store in an airtight container for up to two months and reheat before serving.

Is this dish suitable for gluten-free diets?

Yes, these cups contain no gluten ingredients and are naturally gluten-free as prepared.

Mini Crustless Spinach Cups

Protein-rich spinach and cheese cups, ideal for breakfast, snack, or brunch.

Setup Time
15 min
Time to Cook
20 min
Total Duration
35 min
Created by Elena Brooks

Classification Simple Weekday Essentials

Skill Level Easy

Cuisine American

Batch Size 12 Portions

Dietary Details Meat-free, Free of Gluten, Reduced Carb

Components

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 recommended)
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

Directions

Step 01

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

Step 02

Sauté vegetables: Heat a skillet over medium heat and sauté onion and bell pepper for 3 to 4 minutes until softened. Add chopped spinach and cook for 2 minutes until wilted. Remove from heat and let cool slightly.

Step 03

Mix eggs and dairy: In a large bowl, whisk together eggs, milk, salt, pepper, and nutmeg until combined. Stir in shredded cheese, Parmesan, and chopped herbs.

Step 04

Combine spinach mixture: Add the cooled vegetable mixture to the egg mixture and stir until evenly incorporated.

Step 05

Fill muffin cups: Evenly distribute the mixture among the prepared muffin cups, filling each about three-quarters full.

Step 06

Bake egg cups: Bake for 18 to 22 minutes until puffed and set in the center.

Step 07

Cool and serve: Allow to cool for 5 minutes before loosening edges with a knife and removing from the tin. Serve warm or at room temperature.

Tools Needed

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

Allergy Alerts

Review every ingredient to spot possible allergens. Consult your doctor if unsure.
  • Contains eggs and dairy products including milk and cheese. Gluten-free as stated. Verify cheese and milk alternatives for allergens when applicable.

Nutrition Info (per portion)

Nutritional details are for reference and don't substitute medical advice.
  • Energy (Calories): 90
  • Lipids: 6 g
  • Carbohydrates: 2 g
  • Proteins: 7 g