Mini Crustless Spinach Cups

Featured in: Quick Snacks & Starters

These mini crustless cups blend fresh spinach, sautéed onions, and vibrant bell peppers with rich eggs and a mix of cheeses. Flavored with herbs and gentle seasoning, they bake quickly in muffin tins to create a wholesome, protein-filled start to your day or a satisfying snack. Versatile and easy to prepare, they can be customized with different leafy greens or added meats for extra flavor and stored frozen for convenience.

Updated on Tue, 23 Dec 2025 12:08:00 GMT
Golden-brown mini crustless quiches, packed with spinach, ready to enjoy at breakfast or brunch. Save
Golden-brown mini crustless quiches, packed with spinach, ready to enjoy at breakfast or brunch. | pulseoven.com

These little egg cups landed in my routine on a Tuesday morning when I was tired of the same scrambled eggs and toast. A friend had mentioned making them for her kids' lunches, and something about the simplicity stuck with me—just eggs, spinach, and cheese baked into these perfect grab-and-go portions. The first batch came out slightly wobbly in the center, but that taught me patience. Now they're my answer to "what's for breakfast" on mornings when I need something that feels intentional but doesn't demand much from me.

I made these for a Sunday potluck once, worried they'd seem too casual for the occasion, but three people asked for the recipe before dessert. Watching someone's face light up when they bit into one—that moment of "oh, this is actually delicious"—reminded me that the best food isn't always about impressing anyone. It's about feeding people something that makes them feel thought-of.

Ingredients

  • Fresh spinach: Two cups chopped might seem like a lot, but it collapses dramatically when cooked—don't be timid with it, this is where the nutrition hides.
  • Onion and bell pepper: Finely diced means they disappear into the eggs rather than create unwelcome crunch; I learned this the hard way with chunky vegetables.
  • Large eggs: Six eggs is the backbone; they need to outnumber everything else to set properly and hold the whole thing together.
  • Milk: About a third of a cup keeps things creamy; dairy or non-dairy both work, but avoid anything flavored that might confuse your palate.
  • Shredded cheese: A full cup of cheddar, feta, or mozzarella gives you that melted richness; I've mixed two types before and it's never disappointed.
  • Parmesan cheese: The quarter cup grated adds a salty note that makes people ask "what is that flavor?" in the best way.
  • Salt, pepper, and nutmeg: The nutmeg sounds strange until you taste it—just a quarter teaspoon brightens everything without announcing itself.
  • Fresh chives or parsley: A tablespoon chopped right before mixing keeps the herbs tasting alive and present.

Instructions

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Prep Your Tin:
Heat your oven to 350°F and grease a 12-cup muffin tin—nonstick spray works, but silicone liners make removal foolproof, which matters when you're impatient like I am.
Cook the Vegetables:
Sauté your diced onion and bell pepper in a skillet over medium heat until they soften, about 3 to 4 minutes, then add the spinach and let it wilt down. This step shouldn't be rushed because the vegetables need time to release their water so the quiches don't turn watery.
Build the Base:
Whisk together eggs, milk, salt, pepper, and nutmeg in a large bowl until they're one cohesive mixture. Stir in both cheeses and the fresh herbs—don't overmix or you'll lose the herbs' texture.
Bring It Together:
Fold the cooled spinach mixture into the egg base gently, just until combined. You want pockets of green visible, not a uniform paste.
Fill and Distribute:
Pour the mixture evenly into the muffin cups, filling each about three-quarters full—overfilling means overflow, underfilling means a squat quiche. I use a small ladle to keep it even.
Bake Until Set:
Into the oven for 18 to 22 minutes, watching until they puff up and the center feels just barely set when you gently touch it. They'll continue cooking slightly as they cool, so don't wait for them to feel totally firm.
Rest and Release:
Let them cool for 5 minutes before running a knife around the edges—this is crucial because they're delicate right out of the oven. The muffin tin will still be warm enough to help them slide out cleanly.
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I remember my daughter asking why I made "fancy eggs" one morning, and I realized that sometimes the simplest dishes carry their own kind of magic. There's something grounding about knowing I have something nourishing ready in the fridge, something I made with my own hands that tastes way better than the convenient alternative.

Flavor Variations That Work

The base recipe is forgiving, which is partly why I love it. I've stirred in crumbled cooked bacon and suddenly it feels like breakfast at a good diner; sun-dried tomatoes add this tart sweetness that surprises people; even mushrooms sautéed alongside the spinach create an earthy depth. My rule is never to add more than half a cup of extras because the eggs need to be the dominant structure, but within that boundary, the possibilities feel endless.

Making Them Ahead

These freeze better than I expected, which sounds silly to say about an egg dish, but it's true. Cool them completely, layer them in an airtight container with parchment between each one, and they'll keep for up to two months. A quick reheat in the oven or microwave and they're almost as good as fresh, maybe even better because the flavors have had time to settle into each other.

Serving and Storage Wisdom

Serve them warm or at room temperature—honestly, I prefer them barely cooled because the cheese is still slightly creamy. They pair beautifully with a simple side salad if you want to stretch one quiche into a light lunch, or with fresh fruit if breakfast is the goal. They live in the refrigerator for about four days in an airtight container, though they rarely last that long in my house.

  • These make an excellent grab-and-go breakfast if you're the type who rushes out the door.
  • They're gluten-free as written, which means they work for more people at a table than you might expect.
  • Pair them with hot coffee and nothing else sounds necessary, but a piece of toast adds a nice textural contrast if you're hungry.
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Fluffy, baked Mini Crustless Quiches showing a delightful mix of cheese and vibrant spinach. Save
Fluffy, baked Mini Crustless Quiches showing a delightful mix of cheese and vibrant spinach. | pulseoven.com

These little egg cups have quietly become one of my most-made recipes, the kind of thing I don't even think about anymore—I just make them. That's how you know something truly belongs in a kitchen.

Recipe FAQs

Can I substitute spinach with other greens?

Yes, kale or Swiss chard can be used as alternatives, offering a different flavor and texture while maintaining nutritional value.

What is the best cheese to use in these cups?

Cheddar, feta, or mozzarella are recommended for their meltability and taste, but feel free to mix cheeses to suit your preference.

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

Greasing the muffin tin well or using silicone liners ensures easy removal after baking without damage.

Can these cups be made ahead of time?

Absolutely, they freeze well once cooled and can be stored in airtight containers for up to two months.

What variations can enhance the flavor?

Adding cooked bacon, ham, or sun-dried tomatoes provides extra savory notes and richness to the cups.

Mini Crustless Spinach Cups

Protein-packed spinach egg cups with cheese and herbs, ideal for breakfast or a light snack.

Prep Time
15 min
Cook Time
20 min
Overall Time
35 min
Created by Henry Baker


Skill Level Easy

Cuisine American

Makes 12 Portions

Diet Preferences Meatless, Wheat-Free, Low in Carbs

What 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 recommended)
04 1/4 cup grated Parmesan cheese

Seasonings

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

How to Make

Step 01

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

Step 02

Cook vegetables: Sauté diced onion and red bell pepper in a skillet over medium heat for 3–4 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 seasoning: In a large bowl, whisk together eggs, milk, salt, black pepper, and nutmeg until combined.

Step 04

Combine cheese and herbs: Stir shredded cheese, grated Parmesan, and chopped herbs into the egg mixture.

Step 05

Add cooled vegetables: Incorporate the cooled spinach and vegetable mixture into the egg and cheese blend. Mix until evenly combined.

Step 06

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

Step 07

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

Step 08

Cool and serve: Allow to cool for 5 minutes, then run a knife around the edges to release. Serve warm or at room temperature.

Tools Needed

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

Allergens

Always review each ingredient for allergens. Ask a healthcare provider if you're not sure.
  • Contains eggs and dairy (milk and cheese). Gluten-free as prepared. Verify cheese labels if concerned about allergens. Use unsweetened, unflavored non-dairy milk for dairy-free variation.

Nutrition Info (per serving)

Use this nutrition estimate as a guideline, but be sure to verify with a health expert if needed.
  • Calories: 90
  • Fats: 6 g
  • Carbohydrates: 2 g
  • Proteins: 7 g