Mini Spinach Egg Cups

Featured in: Prairie Breakfasts

These mini spinach egg cups blend fresh spinach, sautéed onions, bell pepper, and a mix of cheeses with eggs and herbs. Baked in muffin tins, they offer a protein-packed, gluten-free option perfect for breakfast or a light snack. Ready in just over 30 minutes, they can be customized with additions like bacon or kale. Easy to make and versatile to serve warm or room temperature.

Updated on Mon, 22 Dec 2025 11:21:00 GMT
Golden, crustless mini quiches shimmer with melted cheese and fresh spinach, ready to eat. Pin
Golden, crustless mini quiches shimmer with melted cheese and fresh spinach, ready to eat. | kitchenprairie.com

I started making these on Sunday nights when meal prep felt like a chore instead of a choice. One batch disappeared before Monday even arrived. The smell of nutmeg and melted cheese pulled my neighbor to the door, and I handed her three still warm from the tin. She texted me the recipe request before I finished cleaning up.

I brought a dozen to a potluck once and watched people take two without asking what was in them. Someone with a gluten allergy almost cried when I said they were safe. My cousin ate four and asked if I could teach her to make them before she left. I sent her home with the leftovers and she made them the next weekend.

Ingredients

  • Fresh spinach: It wilts down to almost nothing so do not skip the full two cups, and squeeze out any extra water after cooking or the eggs will be runny.
  • Onion and bell pepper: Dicing them small keeps every bite balanced, and sautéing them first means no raw crunch or bitter aftertaste.
  • Eggs: Use large eggs or the structure will be off, and whisk them until the yolks and whites fully blend into one color.
  • Milk: Dairy makes them richer but unsweetened almond milk works if you need it to, just avoid anything vanilla flavored.
  • Shredded cheese: Cheddar melts into pockets of salt and sharp flavor, feta crumbles through like tiny bursts of tang, mozzarella makes them stretchy and mild.
  • Parmesan: This adds a nutty backbone that regular shredded cheese cannot replicate.
  • Nutmeg: A quarter teaspoon is the difference between good and unforgettable.
  • Fresh herbs: Chives taste like spring and parsley brightens everything, but dried herbs will make them taste like leftovers even when they are fresh.

Instructions

Preheat and Prep:
Set your oven to 350°F and grease every cup of a 12-cup muffin tin, even the edges. Silicone liners make cleanup feel like cheating.
Sauté the Vegetables:
Cook the onion and bell pepper in a skillet over medium heat until they soften and lose their raw bite, about three to four minutes. Add the spinach and stir until it wilts into a dark green tangle, then pull it off the heat and let it cool so it does not scramble the eggs later.
Mix the Egg Base:
Whisk eggs, milk, salt, pepper, and nutmeg in a large bowl until smooth and slightly frothy. Stir in both cheeses and the herbs until everything is suspended in the mixture.
Combine and Fill:
Fold the cooled spinach mixture into the eggs and mix until distributed evenly. Spoon or pour the mixture into each muffin cup, filling them about three-quarters full so they have room to puff.
Bake:
Slide the tin into the oven and bake for eighteen to twenty-two minutes. They are done when the centers are set and the tops are golden with tiny brown edges.
Cool and Remove:
Let them sit for five minutes, then run a butter knife around each edge and lift them out gently. Serve them warm or let them cool completely for storage.
Fluffy baked Mini Crustless Quiches offer a savory bite, showcasing fresh herbs and vegetables. Pin
Fluffy baked Mini Crustless Quiches offer a savory bite, showcasing fresh herbs and vegetables. | kitchenprairie.com
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The first time I packed these for a road trip, my friend asked if we could stop for breakfast anyway. Halfway through the drive she admitted she was wrong. By the time we got home she had already bought a muffin tin.

How to Store and Reheat

Let them cool completely on a wire rack before stacking them in an airtight container. They keep in the fridge for up to five days and taste just as good cold as they do warm. Reheat them in the microwave for twenty to thirty seconds, or pop them in a 300°F oven for eight minutes if you want the edges crisp again. For longer storage, freeze them in a single layer on a baking sheet, then transfer to a freezer bag once solid.

Variations That Actually Work

Cooked bacon or diced ham turns these into something heartier, and sun-dried tomatoes add a sweet-tart punch that works with feta. Swap spinach for kale or Swiss chard if that is what you have, just make sure to chop it fine and cook it down the same way. I have used goat cheese instead of cheddar and it made them taste expensive. You can also skip the bell pepper entirely if you are not a fan, the onion alone carries enough flavor.

Serving Suggestions

These are perfect with a simple side salad dressed in lemon and olive oil, or next to roasted cherry tomatoes if you want something warm. I have served them at brunch with fresh fruit and people assumed I spent hours. They also work as a snack between meetings or after a workout when you need real food fast.

  • Pair them with hot sauce if you like heat, the vinegar cuts through the richness.
  • Serve them on a platter with toothpicks for a party and watch them vanish.
  • Pack them in lunchboxes with a handful of grapes and call it done.
A plate of warm Mini Crustless Quiches with visible spinach and cheese, perfect for brunch. Pin
A plate of warm Mini Crustless Quiches with visible spinach and cheese, perfect for brunch. | kitchenprairie.com

These turned breakfast into something I look forward to instead of something I skip. Make a batch and keep them close, you will be glad you did.

Recipe Questions & Answers

Can I substitute spinach with other greens?

Yes, kale or Swiss chard make excellent alternatives, offering similar texture and flavor.

How long do these egg cups stay fresh?

Stored in an airtight container in the fridge, they keep well for up to 4 days and freeze for up to 2 months.

Can I use non-dairy milk in the mixture?

Absolutely. Unsweetened, unflavored non-dairy milk works well without altering the taste significantly.

What cheeses work best in these cups?

Cheddar, feta, and mozzarella are recommended for their melting qualities and flavor balance.

How can I add extra flavor to these cups?

Consider mixing in cooked bacon, ham, or sun-dried tomatoes to enhance the taste.

Are these egg cups suitable for gluten-free diets?

Yes, the recipe is naturally gluten-free without added grains or flour.

Mini Spinach Egg Cups

Protein-rich mini cups with spinach, cheese, and herbs for a healthy breakfast or snack.

Prep duration
15 min
Cook duration
20 min
Complete duration
35 min


Skill level Easy

Heritage American

Output 12 Portions

Diet specifications Vegetarian, Without gluten, Low-Carbohydrate

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 preferred)
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

Phase 01

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

Phase 02

Sauté Vegetables: In a skillet over medium heat, sauté the diced onion and red bell pepper for 3–4 minutes until softened. Add the chopped spinach and cook until wilted, about 2 minutes. Remove from heat and allow to cool slightly.

Phase 03

Combine Egg Mixture: In a large bowl, whisk together the eggs, milk, salt, black pepper, and nutmeg. Stir in shredded cheese, Parmesan cheese, and chopped fresh herbs.

Phase 04

Incorporate Vegetables: Add the cooled sautéed vegetable mixture to the egg mixture and stir until evenly combined.

Phase 05

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

Phase 06

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

Phase 07

Cool and Serve: Allow to cool for 5 minutes before running a knife around the edges to remove from the tin. Serve warm or at room temperature.

Necessary tools

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

Allergy details

Review each component for potential allergens and consult with healthcare professionals if you're uncertain.
  • Contains eggs and dairy products.
  • Gluten-free as prepared.
  • If using non-dairy milk, ensure it is unsweetened and unflavored.

Nutrient content (each portion)

This data is offered as a general guide and isn't a substitute for professional medical guidance.
  • Energy: 90
  • Fat: 6 g
  • Carbohydrates: 2 g
  • Protein: 7 g