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Home » Gluten-Free Comfort

Ratatouille Frittata - Whole30, Gluten-Free, Dairy-Free

By Gary White
This post may contain affiliate links.
Read my full disclosure here.

Published July 25, 2022. Last modified July 31, 2025 By Gary White

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ratatouille frittata image for Pinterest

This ratatouille frittata is something special. It's Whole30 compliant, gluten-free, and dairy-free. Perfect for a family breakfast or brunch gathering! Incredibly flavorful and healthy at the same time.ratatouille frittata in pan on wood board

Our family has decided to do the Whole30 diet. So you know what that means... Time to get creative with the food! Over the years, I've found that the only times I'm successful with dieting is when I make a concerted effort to make delicious food. So here's one of my weekend creations - a delicious ratatouille frittata!

I Cannot Lie to You...

This recipe requires a good amount of work. Not difficult work. But it just takes some time to make this dish look stunning. But, sometimes it's worth it for that "Wow!" factor - which this delivers, both with appearance and flavor! I highly recommend getting a high-quality v-blade mandoline slicer. We've owned several over the years, but the one pictured above has proven to be worth the investment.

You'll Notice a Difference

Traditional ratatouille contains eggplant. I don't really like eggplant. Well, unless it's breaded, fried, and covered with cheese and sauce. So, for this dish, I decided to switch it out for potatoes. It worked. I mean, it really worked!

ratatouille frittata in pan on wood board

 

How to make Ratatouille Frittata

mandoline with sliced potatoes
Using a mandoline, thinly slice potatoes...
thinly sliced potatoes soaking in water
...and place them in cold water.
mandoline with sliced zucchini
Also, using a mandoline, slice zucchini, squash, and tomatoes. Set aside.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern
Preheat oven to 325 degrees. In 10-inch nonstick skillet - arrange zucchini, squash, potatoes, and tomatoes in an alternating circular pattern...
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern
...around outside of pan.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern
Then make an inner circle going the opposite direction.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern with plastic bottle
Drizzle olive oil around the outside of pan and in the cracks of veggies.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern topped with sea salt
Then sprinkle with 2 tsp. of salt.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern baking in oven
Place skillet uncovered in oven for 40 minutes.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern
Move skillet to stovetop and cook over medium-high heat...
one dozen raw eggs topped with sea salt
Meanwhile, in a large bowl - combine eggs and 2 tsp. of salt. Whisk well.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern
...until juices have evaporated (about 15 minutes).
pouring eggs over thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern
Once juices are evaporated - gently add eggs to skillet...

 

thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern topped with raw eggs
...and allow to settle for about 30 seconds.
thinly sliced potatoes, tomatoes, zucchini, and squash in ratatouille pattern topped with raw eggs baking in oven
Move skillet back to oven and bake for 30 minutes. Remove from oven, slice like a pie, and enjoy!

And this is the AMAZING Result…

ratatouille frittata sliced on wooden cutting board

★ Did you make this Ratatouille Frittata?

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📖 Recipe

ratatouille frittata in pan on wood board

Ratatouille Frittata

This ratatouille frittata is something special. Perfect for a family brunch gathering! Incredibly flavorful and healthy at the same time.
4.86 from 7 votes
Print Pin Rate
Course: Main Course
Cuisine: Brunch
Prep Time: 45 minutes minutes
Cook Time: 1 hour hour 25 minutes minutes
Total Time: 2 hours hours 10 minutes minutes
Servings: 12
Calories: 195kcal
Author: Gary White

Ingredients 

  • 2 zucchini thinly sliced rounds
  • 2 squash thinly sliced rounds
  • 2 russet potatoes thinly sliced rounds
  • 5 tomatoes thinly sliced
  • 3 Tbsp. olive oil
  • 12 large eggs
  • 4 tsp. sea salt divided
  • ½ tsp. black pepper

Instructions

  • Preheat oven to 325 degrees.
  • In large cast iron skillet - arrange zucchini, squash, potatoes, and tomatoes in an alternating circular pattern around outside of pan. Then make an inner circle going the opposite direction. Finally, fill in center to make a "flower-like" shape.
  • Drizzle olive oil around the outside of pan and in the cracks of veggies. Then sprinkle with 2 tsp. of salt.
  • Place skillet uncovered in oven for 40 minutes.
  • Move skillet to stovetop and cook over medium-high heat until juices are evaporated (about 15 minutes).
  • Meanwhile, in a large bowl - combine eggs and 2 tsp. of salt. Whisk well.
  • Once juices are evaporated - gently add eggs to skillet and allow to settle for about 30 seconds.
  • Move skillet back to oven and bake for 30 minutes.
  • Remove from oven, slice like a pie, and enjoy!

Nutrition

Calories: 195kcal | Carbohydrates: 24g | Protein: 8g | Fat: 8g | Saturated Fat: 1g | Cholesterol: 163mg | Sodium: 711mg | Potassium: 855mg | Fiber: 3g | Sugar: 5g | Vitamin A: 14015IU | Vitamin C: 41.2mg | Calcium: 101mg | Iron: 2.3mg
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Reader Interactions

Comments

  1. Jesse

    April 19, 2017 at 10:15 am

    What is the Whole30 diet??

    Reply
    • Chef Gary

      April 19, 2017 at 12:11 pm

      Basically, it's whole foods for 30 days. No wheat, no dairy, no legumes, no alcohol - in a nutshell. All the fun stuff 🙁

      Reply
  2. Katie

    April 21, 2017 at 3:14 pm

    I'm on my 4th W30, day 20. My hubby and I have decided every Jan, April and October we will Whole30 it. Works for us. Food is DELICIOUS. Miss certain things, but you can do anything for 30 days.

    Reply
  3. Wendy

    January 14, 2019 at 8:58 pm

    5 stars
    Oh my goodness, thanks for sharing! This my next meal.

    Reply
  4. Kristin

    September 13, 2019 at 9:55 am

    5 stars
    This is was very nice but I did something wrong. I whisked 2 tsp of finely ground Himalayan salt into the eggs, but the salt didn’t dissolve. After I poured the eggs the salt settled on the bottom of the pan and every bite of the bottom of the frittata was disgustingly salty. But the top 95% was delicious! Anyway- to others to who make this- beware. Thanks for the recipe!

    Reply
  5. PHWILMNC

    September 05, 2020 at 1:26 pm

    5 stars
    Beautiful dish, not all that hard to assemble, I found that I wanted to add some additional seasoning however.

    Reply
  6. Christine

    January 07, 2022 at 5:44 pm

    4 stars
    We added an approved marinara sauce! It’s delicious!!!

    Reply
  7. Sharon

    January 09, 2022 at 2:21 pm

    5 stars
    So easy and delicious!! I added some cheddar cheese which totally worked.

    Reply
4.86 from 7 votes (3 ratings without comment)

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Meet Gary

I'm Gary... husband, dad, recipe developer, and comfort food nerd. I believe in real food for real life. This blog? It’s where I share the recipes my family actually eats. Simple, soulful, and full of flavor. My goal is simple: help you cook food worth making again. More about me...

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