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    Home » Recipes » Slow Cooker Recipes » Breakfast Recipes » Slow Cooker Denver Omelette Casserole

    Published: Jun 2, 2020 · Modified: Dec 27, 2021 by Jennifer · This post may contain affiliate links

    Slow Cooker Denver Omelette Casserole

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    Need to upgrade your brunch game without upgrading the amount of work? This Slow Cooker Denver Omelette Casserole will be your new best friend! Throw this together in minutes in your slow cooker for a quick and tasty meal perfect for entertaining, meal prep or even dinner!

    square slice of Denver omelette casserole on a white with blue speckles plate

    As much as I love to cook, making breakfast usually feels like a chore. So I'm usually looking for ways to shortcut the process and still end up with delicious results.

    Cue the slow cooker. I love making everything from breakfast casseroles, to French toast, to stuffed peppers to feed my family or to feed guests.

    Most breakfast recipes, like this Denver Omelette Casserole only take a few hours to cook, so they are perfect if you get up early for a little quiet time and can toss this together.

    Ingredients you'll need:

    • frozen shredded hash browns
    • butter
    • eggs
    • milk
    • peppers
    • onions
    • cooked ham (leftover or lunchmeat is fine)
    • cheese

    step by step process photos of adding ingredients to casserole slow cooker for Denver omelette

    How to Make Denver Omelette Casserole in the Slow Cooker:

    This is a super easy, layer up recipe that doesn't require any additional cooking.

    1. Chop up the onions and peppers
    2. Dice up the ham
    3. Mix up the eggs
    4. Layer everything in the slow cooker!

    Note: I like to add about half of the egg mixture, then top with the veggies and ham and then top with remaining egg so that the filling ends up more in the middle.

     

    side view of cooked Denver omelette casserole in a white and blue slow cooker

    Best Slow Cooker for this Recipe

    Any oval or rectangle slow cooker should work. I have not tried this with a round slow cooker. I used my 2.5 quart mini casserole slow cooker which was perfect.

    If you use a 4-6 quart slow cooker you'll need to reduce the cooking time as it may cook faster.

    overhead view of Denver omelette casserole in a slow cooker sliced into six pieces

    Can this be Prepped Ahead?

    This makes a great meal prep recipe! I like to cook this up on the weekend and serve it up for my kiddos breakfast all week. Simply slice and store in an airtight container in fridge.

    Reheat for 30-60 seconds per slice in microwave or until heated through.

    It's also possible to prep this up the night before and cook in the morning. Feel free to layer it all in the slow cooker liner and refrigerate overnight.

    Be sure to remove the liner and let set out at least an hour before putting in the slow cooker to heat.

    Can you Freeze Leftovers?

    Yes. I suggest wrapping individual slices and storing in a freezer bag. Defrost in microwave then heat through to serve.

    square slice of Denver omelette casserole on a white with blue speckles plate

    Slow Cooker Denver Omelette Casserole

    Jennifer Draper
    Need to upgrade your brunch game without upgrading the amount of work? This Slow Cooker Denver Omelette Casserole will be your new best friend! Throw this together in minutes in your slow cooker for a quick and tasty meal perfect for entertaining, meal prep or even dinner!
    3.67 from 3 votes
    Print Recipe Pin Recipe
    Prep Time 15 mins
    Cook Time 3 hrs
    Total Time 3 hrs 15 mins
    Course Breakfast
    Cuisine American
    Servings 6
    Calories 261 kcal

    Equipment

    • 2.5 quart mini casserole slow cooker

    Ingredients
      

    • 5-6 oz frozen shredded hashbrowns
    • 4 tablespoons melted butter
    • 8 eggs
    • 1 tablespoon milk
    • ½ green bell pepper diced
    • ½ red bell pepper diced
    • 1 small yellow onion diced
    • 4 oz diced ham I just used lunch meat!
    • 4 oz shredded cheese
    • ½ teaspoon salt
    • ½ teaspoon pepper

    Instructions
     

    • Spray slow cooker with nonstick spray
    • Spread hashbrowns evenly across bottom of slow cooker
    • Drizzle with melted butter
    • Beat together eggs and milk with salt and pepper and pour half of the mixture over the top
    • Sprinkle peppers, onions, and ham evenly over the top of the hashbrowns
    • Top with remaining egg mixture
    • Sprinkle cheese over the top of all of it
    • Cover and cook on high for 3 hours

    Notes

    • If using a 4 quart or larger slow cooker, reduce cooking time as it will cook faster
    • You can make up the night before and cook in the morning. Make sure your slow cooker liner sits out to come to room temp before heating in slow cooker to prevent damage
    • Leftovers can be stored in the fridge up to 3 days or in the freezer for up to 3 months
    • I recommend wrapping slices individually before freezing

    Nutrition

    Calories: 261kcalCarbohydrates: 8gProtein: 16gFat: 18gSaturated Fat: 9gCholesterol: 264mgSodium: 716mgPotassium: 228mgFiber: 1gSugar: 2gVitamin A: 1025IUVitamin C: 24mgCalcium: 140mgIron: 2mg
    Tried this recipe?Mention @slowcookergourmet or tag #slowcookergourmet!
    Important nutritional disclaimer
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    Reader Interactions

    Comments

    1. Tim says

      June 02, 2020 at 10:04 am

      Recipe says to use a 2.5 qt. mini-casserole crockpot. Comments indicate you used a 6 qt. oval crockpot. Which is correct??

      Reply
      • Jennifer says

        June 05, 2020 at 12:46 pm

        Hi Tim! Good eye! I've actually cooked this recipe in both and had good results each time. As noted, if you use a 4 quart or larger, it may cook a little faster.

        Reply
    2. Bettyann says

      December 16, 2018 at 6:42 pm

      I don’t see whether to cook on high, low, or medium.

      Reply
      • Dezirae Meekhof says

        December 14, 2022 at 10:57 pm

        It says cook on high

        Reply
    3. Kathy Luther says

      December 21, 2015 at 5:23 am

      Can you double it?

      Reply
      • Jennifer says

        December 21, 2015 at 7:13 am

        I'm honestly not sure how well it would work if you double. It might be too thick to cook through evenly? Maybe if you used a casserole style slow cooker?

        Reply
    4. Roger Curry says

      November 22, 2015 at 2:15 pm

      1 star
      Cleaning the crockpot after this near tasteless dish is not worth the fuss of making it. Buy a ring and place it in an iron skillet filling it with hashbrowns, eggs over easy on low heat in another small iron skillet makes a much better meal and a lot more sense!

      Reply
      • Jennifer says

        November 22, 2015 at 3:41 pm

        Hi Roger, thanks for the comment. If Denver omelets with the peppers, onions, and ham aren't your taste than certainly some hash browns and eggs make another kind of great breakfast! Happy cooking 🙂

        Reply
      • Jen says

        June 02, 2020 at 2:39 pm

        Some people live where it is too hot to turn on the oven!!!!
        Thanks for the recipe.

        Reply
    5. DeeDee Chavez says

      June 30, 2014 at 1:19 pm

      This omelet looks great! What size crockpot do you use?

      Reply
      • Jennifer says

        June 30, 2014 at 2:32 pm

        Thanks! I used a 6 quart oval crock.

        Reply
        • Carol L says

          December 27, 2022 at 10:52 am

          Then why did you SPECIFICALLY list a 2.5 quart mini casserole slow cooker??? Seems that the list of tools and ingredients listed should be what you ACTUALLY use in the recipe! Then in notes, make note of other items you COULD use.

          Reply
          • Jennifer says

            December 27, 2022 at 11:32 am

            Hi Carol! Thank you for having such a sharp eye! You are right, in the comment I posted from 2014 I did say I used a 6 quart oval slow cooker. I updated the recipe in 2020 and used the mini casserole slow cooker as mentioned. Hopefully you saw the section in the post labeled “Best Slow Cooker for This Recipe” where I explain the options so that you can choose what works best for you. Hope you enjoy!

            Reply
    6. Amy Reinecke says

      December 27, 2013 at 12:47 pm

      This looks yummy!!!

      Reply
      • Jennifer says

        December 27, 2013 at 1:11 pm

        Thanks! Be sure to let me know how it turns out if you make it 🙂

        Reply

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    Hi, I'm Jennifer! I love creating fresh recipes that are quick and simple to make so that I can help you get dinner on the table without the fuss!

    More about me →

    Most Popular Recipes

    • The Best Slow Cooker Pulled Pork
    • Slow Cooker Buffalo Chicken Chili
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    • Slow Cooker Butter Chicken

    As seen on...

    Simple Seasoning Blends

    Make these simple homemade seasoning blends using spices you probably have on hand! Use their amazing flavors in many of my delicious and easy recipes!

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