Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (2024)

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by Whitney Bond
August 19, 2021

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4.35 stars (23 ratings)

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Vegetables, eggs and feta cheese are combined in this easy, healthy, vegetarian and gluten free Greek Crockpot Breakfast Casserole recipe! This low carb dish is perfect for meal prep to eat throughout the week. It’s also a great brunch recipe for a crowd!

Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (1)

I love brunch! So much so that I have a group of friends nicknamed the “SBC: Sunday Brunch Crew”. I love making brunch and going out to brunch. In my world, if the question is brunch, the answer is always yes!

I’ve made so many brunch recipes over the years that it’s impossible to pick a favorite. This Meatloaf Hash definitely ranks up there though!

When it comes to sweet brunch dishes, I can never get enough Strawberry Pancakes with Cream Cheese Syrup or Salted Caramel Cinnamon Rolls.

When hosting a brunch at my house, I always like to serve at least one egg dish, a potato dish and something sweet.

I first made this Crockpot Breakfast Casserole recipe for Father’s Day 2014. I was hosting a brunch for friends and family and wanted to make recipes that could easily feed a crowd!

Since that brunch, I’ve made this breakfast casserole dozens of times. It’s not only great for a crowd at brunch, this easy breakfast casserole is perfect for meal prepping throughout the week.

Toss this casserole in the crockpot on Sunday, then reheat it for breakfast throughout the week. It’s great on it’s own or rolled up in a tortilla for a breakfast burrito.

You can also eat it as breakfast for dinner. No matter the time of day, I’m always down for breakfast foods!

Table of contents

  • Step by step instructions
  • Frequently asked questions
  • More low carb recipes to try
Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (2)

Step by step instructions

  1. Add eggs, milk, salt, pepper, dried minced garlic and dried minced onion to a crockpot coated with cooking spray.
  2. Whisk everything together.
  3. Stir in sun dried tomatoes, mushrooms and spinach.
  4. Top with feta cheese crumbles and cook on low for 4-6 hours.
Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (3)

Frequently asked questions

  • What can I substitute the mushrooms for? Not a fan of mushrooms? Sub in 1 cup diced zucchini or bell peppers.
  • Can you bake this recipe in the oven instead? Yes. Instead of a crock pot, add everything to an 8″x 10″ casserole dish and bake at 350°F for 20-25 minutes.
  • Can I cook this recipe overnight? It depends on how long you like to sleep! (I’m kidding… kind of!) After making this recipe several times, I do not recommend cooking it for more than 6 hours on low, or it will burn. If you have a programmable crock pot, you can set it to low for 4-6 hours, then the crock pot will automatically switch to the warm setting after the time is up. This will keep the eggs warm and safe for eating as soon as you wake up without over-cooking them.
  • What size slow cooker did you use for this recipe? I used a 6 quart crock pot to make this recipe. I’ve also made this recipe in a 4 quart crock pot and it fit just fine. If you’d like to double the recipe, it will easily all fit in a 6 quart slow cooker.
  • How do you keep the eggs from sticking to the slow cooker? I highly recommend a slow cooker liner for this recipe. (And all slow cooker recipes for that matter!) It makes clean up so incredibly easy! Literally all you have to do is toss out the bag once you’ve finished the dish and your clean up is done. You can also spray the slow cooker with cooking spray before adding the eggs, as noted in the recipe. This will prevent the eggs from sticking to the side and clean-up will still be easy-breezy.
  • Can you cook this recipe on high in the crock pot? Yes, you can cook the casserole on high for 2 hours.
  • Is this breakfast casserole low carb? Yes, this casserole is only 9 carbs per serving. Omit the sun dried tomatoes and it’s only 4 carbs per serving. Each serving is approximately 1 1/2 cups. This recipe is perfect for those on the keto diet. It’s also gluten free and vegetarian!
Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (4)

More low carb recipes to try

  • Bruschetta Grilled Chicken Zoodle Bowls
  • Bacon Wrapped Turkey Breast
  • Buffalo Chicken Zucchini Boats
  • The Ultimate Low Carb Nachos
  • Chipotle Lime Chicken Fajita Skewers
  • Bacon Wrapped Stuffed Chicken Breast
  • Keto Egg Muffins

Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (5)

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4.35 stars (23 ratings)

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Greek Crockpot Breakfast Casserole

Vegetables, eggs and feta cheese are combined in this easy, healthy, vegetarian and gluten free Greek Crockpot Breakfast Casserole recipe!

Servings: 6 people

Prep Time: 5 minutes mins

Cook Time: 4 hours hrs

Total Time: 4 hours hrs 5 minutes mins

Author: Whitney Bond

Course: Breakfast, Brunch

Cuisine: Greek

Ingredients

Instructions

  • Coat the inside of a slow cooker with cooking spray or add a slow cooker liner to the slow cooker.

  • Add the eggs, milk, salt, pepper, onion and garlic to the slow cooker. Whisk everything together.

  • Stir in the sun dried tomatoes, mushrooms and spinach.

  • Top with the feta cheese.

  • Slow cook on low for 4-6 hours or on high for 2 hours.

Nutrition Facts

Calories 205kcal (10%)Carbohydrates 9g (3%)Protein 15g (30%)Fat 12g (18%)Saturated Fat 5g (25%)Cholesterol 340mg (113%)Sodium 498mg (21%)Potassium 599mg (17%)Fiber 1g (4%)Sugar 5g (6%)Vitamin A 1580mg (32%)Vitamin C 7mg (8%)Calcium 158mg (16%)Iron 2.8mg (16%)

Did you make this recipe?Tag @WhitneyBond on Instagram and hashtag it #WBRecipes!

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.

originally published February 14, 2019 — last updated August 19, 2021 36 Comments

Posted in: Brunch Recipes, Easter Recipes, Gluten Free Recipes, Greek Recipes, Keto Recipes, Mediterranean Diet Recipes, Method, Peanut Free Recipes, Recipes, Recipes Under 500 Calories, Slow Cooker Recipes, Vegetarian Recipes, WB Favorites

About Whitney Bond

I’m a sports-loving, coffee-drinking, food blogger, the host of “29 Minute Meals”, a contributing writer for TODAY Food, cookbook author and on-camera food and lifestyle expert! Here you’ll find most recipes are made in 29 minutes or less, in one pot, or in a crock pot!

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    36 Comments on “Greek Crockpot Breakfast Casserole”

  1. Donna Williams March 25, 2019 @ 4:56 AM Reply

    Greek Crockpot Breakfast Casserole…..frozen or fresh spinach?

    • whitneybond March 25, 2019 @ 4:01 PM Reply

      Hi Donna, you can use either for this recipe. Enjoy!

  2. Jennifer D. February 15, 2019 @ 9:46 AM Reply

    This looks so yummy!!! I am lactose intolerant – what type of milk can I substitute in place of regular milk to get the same texture/taste?

    • whitneybond February 17, 2019 @ 5:28 PM Reply

      Hi Jennifer, I’ve used soy milk before and it works just fine! Enjoy!

  3. vanessa villagran March 8, 2018 @ 5:01 PM Reply

    I need to double the recipe. How long do you suggest I cook it for?

    • whitneybond March 12, 2018 @ 7:45 AM Reply

      Hi Vanessa, it would cook for the same amount of time in the slow cooker. Enjoy!

  4. Eva February 4, 2018 @ 8:07 AM Reply

    Can you bake this in the oven instead?

    • whitneybond February 5, 2018 @ 5:16 PM Reply

      Hi Eva, while I have not tried this recipe in the oven, I’m sure it would work! I would recommend baking for 10-15 minutes at 400 degrees F.

  5. Krista November 16, 2017 @ 9:53 AM Reply

    What can I substitute the mushrooms for?

    • whitneybond November 16, 2017 @ 11:22 AM Reply

      You could use zucchini or bell peppers instead of mushrooms!

  6. Tina January 1, 2017 @ 11:57 AM Reply

    I have a 7-quart slow cooker. Can I double this recipe and have it come out okay?

  7. Pamela December 11, 2016 @ 5:46 AM Reply

    Question: if the directions say cook on low for 4 to 6 hours that makes for a very short night’s sleep. What happens if it sits there longer?

    • whitneybond December 12, 2016 @ 9:40 PM Reply

      Hi Pamela, it depends on the slow cooker. Some slow cookers have the option to turn to warm after cooking for a certain period of time, that would be your best option. If that’s not an option, you can leave it on low for 8 hours, it might just get a little brown around the edges. Your other option would be to prepare everything in the slow cooker the night before, turn it on high as soon as you wake up and it will be done in 2 hours.

  8. Tyler December 9, 2016 @ 7:20 AM Reply

    Were you compensated by Litehouse for this blog post?

    • whitneybond January 18, 2017 @ 3:53 PM Reply

      Hi Tyler, I was, as noted in the bottom of the post.

  9. Yanira March 20, 2016 @ 2:24 PM Reply

    Hi Whitney,

    I can’t seem to find sundried tomatoes. I wanted to try puttig cherry tomatoes instead. Do you recommend adding them while the dish is cooking or after?

    Thanks

    • whitneybond March 20, 2016 @ 8:30 PM Reply

      Hi Yanira, You could add cherry tomatoes during cooking or after, the texture would be different based on when you add them. Enjoy!

  10. Cindy February 16, 2016 @ 10:21 AM Reply

    Do you spray your slow cooker bowl? How do you keep the eggs from sticking to the slow cooker bowl? And is the clean up horrible?

    • whitneybond February 16, 2016 @ 10:43 AM Reply

      Hi Cindy,

      I would recommend spraying the slow cooker bowl or using a slow cooker liner to make clean up a breeze!

  11. Jordan February 10, 2016 @ 10:57 AM Reply

    I’m wondering if adding olives would taste good? For some reason since these are greek eggs, I’m wanting to try adding Kalamata olives… what do you think?

    • whitneybond February 10, 2016 @ 4:19 PM Reply

      Hi Jordan, I have to be honest, I’m actually not a fan of olives, but I’m sure if you like them, they’d be great in this recipe!

  12. Carol Ann February 8, 2016 @ 12:44 AM Reply

    Looks great! But if I don’t have lighthouse red onion and garlic, can I use fresh and how much? Thanks!

    • whitneybond February 8, 2016 @ 9:31 PM Reply

      Hi Carol Ann,

      You can use fresh. Since Litehouse herbs are freeze dried & instantly fresh when you use them in recipes, you would use the same amount of fresh onion & garlic in the recipe as you would the Litehouse herbs. Enjoy!

  13. Otto February 4, 2016 @ 9:07 AM Reply

    Hello.

    I was wondering. What amount (weight) is a serving size for that meal?

    • whitneybond February 4, 2016 @ 10:49 AM Reply

      Hi Otto, unfortunately I do not have that information.

      I know that My Fitness Pal recently listed the nutrition information for the recipe on their website, but this was determined by them, so they might have the weight for the serving size that led them to determining the nutrition information they posted in the article.

  14. JoAnn January 30, 2016 @ 9:58 AM Reply

    What form of sundried tomatoes are you using, dried or in oil? Thank you for this wonderful looking egg dish. Can’t wait to try it

    • whitneybond January 30, 2016 @ 1:03 PM Reply

      Hi JoAnn, I used dried sun dried tomatoes in this recipe, not the kind in oil. Enjoy 🙂

  15. Toby December 26, 2015 @ 7:07 PM Reply

    Will it work OK to leave it overnight, i.e., for around 8 hours at low? Otherwise, how can someone get up and turn it on 4-6 hours before breakfast?

    • whitneybond December 27, 2015 @ 6:39 PM Reply

      Hi Toby,

      You can mix it together the night before and leave it in the refrigerator, then turn it on high for 2 hours in the slow cooker in the morning before serving. I have not tried it on low for 8 hours, I’m afraid that might overcook it. Hope this helps!

      • Nico February 23, 2016 @ 6:53 AM

        Buy a timer switch

  16. SALLY BIGGS August 28, 2015 @ 2:44 PM Reply

    I love the recipe, but if I’m doing this for a party, I need something more specific than 4-6 hours. Which is it for the amount of ingredients? 4 if on high, 6 if on low? I need more information, please. thanks.

    • whitneybond August 28, 2015 @ 5:14 PM Reply

      Hi Sally, the eggs will be fully cooked and ready to serve at 4 hours on low. I began serving them at the party I hosted after cooking them for 4 hours, but I left the crockpot on low during the party, which was approximately 2 hours, since it was a come-and-go brunch, where people were eating throughout the party, so you can go up to 6 hours on low with this recipe, but they will be ready in 4. Hope this helps! Enjoy 🙂

  17. Brandy August 26, 2015 @ 7:08 AM Reply

    Do you slow cook this on low or high? I want to try this delicious sounding recipe out this weekend and want to make sure I get it right!

    • whitneybond August 26, 2015 @ 9:23 AM Reply

      Hi Brandy, so sorry that I forgot to include that information! You’ll want to slow cook the eggs on low. Enjoy 🙂

  18. Whitney November 19, 2014 @ 10:33 AM Reply

    What size crock pot did you use for this recipe? It looks delicious!

    • littleleopardbook November 19, 2014 @ 12:19 PM Reply

      Hi Whitney (great name, by the way 😉 ) I used a 3 1/2 quart crock pot! Enjoy 🙂

Crockpot Breakfast Casserole - Vegetarian & Gluten Free Recipe (2024)

FAQs

Why is my breakfast casserole soggy? ›

Pre-cook the veggies. Veggies are naturally watery. As they cook, they release that moisture. If they only cook in the casserole, all that extra moisture will also be IN your casserole.

How do you know when breakfast casserole is done? ›

You can also check the doneness of an egg bake recipe by testing the internal temperature. When an instant read thermometer reads 160 degrees F, the breakfast casserole is done.

What is a breakfast casserole made of? ›

Have you ever made a breakfast casserole? The basic ingredients are eggs, cheese, milk, and bread. It's the easiest thing in the world to put together. We have a sausage breakfast casserole on the site that is one of my favorites.

How many days can you eat breakfast casserole? ›

Bake until the center of the casserole reaches an internal temperature of 160 °F as tested with a food thermometer. After baking, any leftovers must be refrigerated within two hours and can be kept three to four days in the refrigerator or frozen for about three months.

What are the 5 components of a casserole? ›

Let's talk anatomy: A standard dinner casserole usually includes a protein, a starch, a vegetable, a sauce (or other binding ingredient), and cheese. But making a casserole is not an exact science, and you can definitely break away from this formula. Check out some fun side-dish casseroles and desserts below!

How do you make a casserole taste better? ›

Adding a crunchy element on top of your one-dish wonder is an easy way to add extra texture and flavor. Try crushed crackers, buttered bread crumbs, toasted almonds, French fried onions or—if you're really Midwestern—frozen tater tots.

Why do you have to refrigerate breakfast casserole overnight? ›

Success Tip: Refrigerate Overnight

During this time, the flavors mingle together and the bread has a chance to soak up some of the liquid and flavor. Wake up and all you have to do is slide it into the oven.

Should you cook a casserole covered or uncovered? ›

Generally, casseroles with grains, rice or pasta that will cook during the baking process are usually covered, for at least part of the time. Casseroles made of cooked ingredients are usually baked uncovered. If you like a crisper, browner top, be sure the casserole is uncovered for at least part of the bake time.

Do you have to brown meat before casserole? ›

You don't have to brown meat before braising or stewing. Browning meat develops color and flavor in the finished dish. It's is recognized as being a French technique and if you are cooking in that style, browning the meat will make the dish better.

What is the main ingredient in a casserole? ›

In the United States, a casserole or hot dish is typically a baked food with three main components: pieces of meat (such as chicken or ground meat) or fish (such as tuna) or other protein (such as beans or tofu), various chopped or canned vegetables (such as green beans or peas), and a starchy binder (such as flour, ...

What is Cracker Barrel hashbrown casserole made of? ›

Shredded potatoes, Colby cheese, chopped onions, our signature seasoning blend, salt and pepper baked together in the oven for our Signature Hashbrown Casserole. *May be cooked to order. Consuming raw or undercooked meats, poultry, seafood, shellfish or eggs may increase your risk of foodborne illness.

What is John Wayne casserole made of? ›

That's right, the iconic John Wayne Casserole is named after none other than the actor himself. Typically, you'll find that most recipes call for refrigerated biscuits or Bisquick, onions, red bell peppers, jalapeño peppers, sour cream, mayonnaise, ground beef, tomatoes, taco seasoning, and Cheddar cheese.

What can you serve with a breakfast casserole? ›

Make your favorite quick bread, like almond flour banana bread, orange-cranberry einkorn bread, or almond flour pumpkin bread. Slice it up and serve alongside any egg breakfast casserole. Or, make the bread on the weekend and serve slices with a casserole for a quick weekday breakfast.

Can you eat an egg casserole that was left out overnight? ›

Follow these serving guidelines for eggs and egg dishes.

Never leave cooked eggs or egg dishes out of the refrigerator for more than 2 hours or for more than 1 hour when temperatures are above 90° F. Bacteria that can cause illness grow quickly at warm temperatures (between 40° F and 140° F).

Is it OK to freeze breakfast casserole? ›

Cover the casserole and store it (unbaked) in the refrigerator overnight or up to one day. Bake in the morning, according to recipe instructions. To freeze breakfast casserole prepare the recipe and add to your pan. Cover well with plastic wrap and then tinfoil and freeze for 2-3 months.

How to fix watery breakfast casserole? ›

10 Tips To Fix Or Prevent Watery Casseroles
  1. Prep Vegetables Ahead Of Time. Vegetables boiling on a stove - Solstock/Getty Images. ...
  2. Add A Starch. ...
  3. Experiment With Pasta Or Grains. ...
  4. Take The Lid Off. ...
  5. Drain Fat From Meat. ...
  6. Choose A Dry Or Low-Fat Cheese. ...
  7. Sprinkle Seeds Into Your Bake. ...
  8. Remove Excess Liquid.
Oct 29, 2023

How to fix a soggy casserole? ›

The solution for watery casseroles is instant potato mash powder or cornflour - slake (mix with a little water) at first or it will go lumpy. Stir well. Alternatively, don't add so much water at first, especially if you're using a slow cooker.

How do you make a casserole not soggy? ›

10 Tips To Fix Or Prevent Watery Casseroles
  1. Prep vegetables ahead of time. Solstock/Getty Images. ...
  2. Add a starch. NIKCOA/Shutterstock. ...
  3. Experiment with pasta or grains. Pidjoe/Getty Images. ...
  4. Take the lid off. ...
  5. Drain fat from meat. ...
  6. Choose a dry or low-fat cheese. ...
  7. Sprinkle seeds into your bake. ...
  8. Remove excess liquid.
Oct 29, 2023

What to do if your casserole is too watery? ›

Thicken a meat casserole the most popular way with flour.

Add some flour to your pan after you've browned the meat and before adding any liquid. This way, the flour will soak up the juices and fat in the pan. Add about one teaspoon of flour at a time until you get the right thickness.

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