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Home » Grain-Free

Spinach Frittata Muffins

Oct 19, 2024 (updated Aug 21, 2025) (Leave a Comment)

Spinach Frittata Muffins baked

When you want a quick bite with some protein and veggies you'll be happy you have these frittata muffins at the ready.

This muffin is great on its own or use it as a base for the frittata muffin of your dreams. You can stay with the basics here of spinach, onions, mushrooms, and feta cheese, or get a bit creative with additions like leftover stir-fry or roasted veggies. My favorite add-ons are sun-dried tomatoes or roasted cherry tomatoes. And you can sub the onions with green onions or red onions.

Instead of feta cheese, you can use goat cheese or Parmesan, or a combination of cheeses. Feta is on the salty side so if you swap it out for another cheese you may want to add a pinch or so of salt to the frittata batter before baking it.

This recipe is based on my Spinach Mushroom Frittata recipe in case you want to make the recipe in one baking pan instead of individual muffins. Or, try Crustless Mini Cheddar Quiches for another high protein snack.

Quick note: My photos show five muffins because I baked half the recipe. The full recipe makes 10 muffins.

Frittata mix in pan

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Erica in kitchen

Welcome! I'm Erica, a cookbook author and writer. I offer whole food, grain-free, gluten-free recipes, tips, and more. I'm passionate about food and the human microbiome. Also, I love vegetables.

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Recent comments

  1. Erica on Crêpes {coconut flour}October 15, 2025

    Hi Jane, it's in my coconut flour cookbook, my scd cookbook, and on this website: https://comfybelly.com/2025/02/crepes-coconut-flour/

  2. Erica on Pumpkin Bread {almost cake}October 15, 2025

    Hi Briget! I just posted the recipe for pumpkin bread using coconut flour. Let me know how it goes if…

  3. Jane Makilan on Crêpes {coconut flour}October 15, 2025

    Do you have the recipe for the crepes coconut flour? Where can I obtain the recipe?

  4. Erica on Pumpkin Bread {almost cake}October 14, 2025

    Hi Briget, I just finished testing the pumpkin bread with coconut flour. I used a 4-inch by 8-inch silicon baking…

  5. Deena Berry on Apple Cinnamon Muffins {almond flour}October 14, 2025

    Great seasonal addition to our rotation!

  6. Briget Porteus on Pumpkin Bread {almost cake}October 14, 2025

    Hi Erica! What size pan would I use? Thank you Briget

  7. Erica on Apple Cider Donuts {almond & coconut flour}October 14, 2025

    Hi Carly, let me know if you try it!

  8. Carly Lindsay on Apple Cider Donuts {almond & coconut flour}October 14, 2025

    Havnt tried this yet but really want to!

  9. Erica on Pumpkin Bread {almost cake}October 14, 2025

    Hi Briget! Use my pumpkin muffins made with just coconut flour and bake about 15 minutes longer (that's an estimate,…

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