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    Home / Recipes / Breakfast / Sausage and Pepper Breakfast Casserole

    Sausage and Pepper Breakfast Casserole

    November 8, 2024 by Keto Cooking Christian 6 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases, see Disclosure.
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    This Sausage and Peppers Breakfast Casserole is a hearty, cheesy dish that's packed with bold flavors. With layers of savory sausage, tender veggies, and creamy eggs, it's perfect for a filling and satisfying healthy breakfast.

    slice of Sausage and Peppers Breakfast Casserole on white plate with red pepper and onion in back
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    Jump to:
    • ❤️ Why You'll Love This Breakfast Casserole Recipe
    • 🛒 Ingredients for Sausage Breakfast Casserole
    • 🔪 How to Make Keto Breakfast Casserole
    • ☑️ Storage Instructions
    • 🍴 What to Serve with Keto Breakfast Casserole
    • 💡 Tips for a Making Breakfast Casserole
    • 🔄 Substitutions and Additions
    • Keto Breakfast Casserole FAQs
    • 🍽️ More Keto Casseroles

    ❤️ Why You'll Love This Breakfast Casserole Recipe

    • Savory Italian sausage
    • Sweet red bell pepper and onions
    • Blend of Italian cheeses
    • Baked in fluffy eggs
    • Perfect for breakfast meal prepping
    Sausage and Peppers Breakfast Casserole slice on spatula held up over casserole

    Breakfast is the most important meal of the day and this Sausage and Peppers Breakfast Casserole is a delicious way to kick things off. Made with flavorful Italian sausage, vibrant red bell peppers, and creamy cheese, this dish adds a whole lot of flavors to your morning routine.

    Perfect for feeding a crowd or meal prepping for the week ahead, this casserole is as simple to make as it is tasty. Just layer the ingredients, pop it in the oven, and you’ll have a hearty and delicious breakfast that everyone will love, making those busy mornings a breeze!

    closeup overhead view of Sausage and Peppers Breakfast Casserole cut into 8 slices

    Breakfast casseroles are awesome for the holidays, brunch showers or anytime you need to feed a crowd. For another popular recipe, check out this Easy Keto Casserole.

    🛒 Ingredients for Sausage Breakfast Casserole

    • Eggs
    • Italian sausage
    • Red bell pepper
    • Onion
    • Heavy cream
    • Cream cheese
    • Parsley
    • Butter
    • Garlic salt
    • Salt
    • Ground black pepper

    *Exact measurements are listed in the recipe card below.

    🥣 Recommended Tools

    • Skillet
    • Mixing bowl
    • Whisk
    • 9 x 13 casserole baking dish

    🔪 How to Make Keto Breakfast Casserole

    Preheat oven to 350°F.

    raw ground Italian sausage in skillet

    Preheat oven to 350°F. Add the ground sausage to a skillet and brown it, then remove and set it aside to cool.

    cooked Italian sausage in skillet

    In the same skillet (leaving behind any fat) add in the butter, red bell pepper, onion, salt and half the ground black pepper. 

    diced red bell peppers and onions in skillet uncooked

    Sauté until tender, then set aside to cool.

    diced red bell peppers and onions in skillet cooked

    Add the eggs, heavy cream, garlic salt and remaining ground black pepper in a mixing bowl.  Whisk until well combined.

    10 eggs, heavy cream, salt and pepper in glass bowl unmixed

    Pour half the eggs into a 9 X 13 casserole baking dish that's been sprayed with olive oil. Add half the sausage, peppers, onions, shredded cheese and the cream cheese in small dollops, all evenly distributed.

    Sausage and Peppers Breakfast Casserole unbaked in white casserole dish

    Repeat with the remaining ingredients, ending with the shredded cheese over the top.

    Sausage and Peppers Breakfast Casserole unbaked in white casserole dish

    Bake for 30 minutes or until the eggs have set.  

    overhead view of Sausage and Peppers Breakfast Casserole cut into 8 slices in white baking dish

    Allow to cool before cutting into. Store leftovers in the fridge for up to a few days

    closeup of slice of Sausage and Peppers Breakfast Casserole on white square plate

    ☑️ Storage Instructions

    Fridge: Allow the casserole to cool completely before storing. Cover it tightly with plastic wrap or transfer it to an airtight container. Store in the fridge for up to 3-4 days.

    Freezer: For longer storage, cut the casserole into individual portions after it has cooled. Wrap each portion tightly in plastic wrap or place them in airtight freezer bags. Label with the date and freeze for up to 2-3 months.

    Reheating: To reheat, thaw in the fridge overnight and bake in the oven until heated through, or microwave until warm.

    🍴 What to Serve with Keto Breakfast Casserole

    This is a hearty breakfast casserole that is delicious all on it's own. But, a side of fresh berries or a toasted homemade Keto Bagel are always great additions.

    Sausage and Peppers Breakfast Casserole slice on spatula held up over casserole

    💡 Tips for a Making Breakfast Casserole

    • With this recipe, you'll get little pockets of cream cheese in every bite. If you prefer it blended in, you may want to melt it in the microwave and let it cool before mixing it in with the other ingredients.
    • After baking, allow the casserole to rest for about 10 minutes before slicing. This helps the eggs set further, making it easier to cut clean pieces.
    • Start checking the casserole a few minutes before the suggested baking time. Ovens can vary, and you want to ensure it doesn’t overcook.
    overhead view of Sausage and Peppers Breakfast Casserole in white casserole with slice missing

    🔄 Substitutions and Additions

    • Sausage: Swap Italian sausage for turkey sausage or chicken sausage for a different protein option.
    • Cheese: Substitute the Italian blend cheese with cheddar, Monterey Jack, or mozzarella.
    • Cream cheese: You can replace the cream cheese with ricotta or cottage cheese.
    • Bell pepper: Substitute the red bell pepper with green bell pepper, yellow bell pepper, or even roasted red peppers for a different flavor.
    • Onion: Replace yellow onion with shallots or green onions for a milder taste.
    • Vegetables: Add spinach, zucchini, or mushrooms for extra nutrition and flavor.
    • Toppings: Top the casserole with avocado slices, a dollop of homemade Guacamole, or Salsa after baking for a fresh touch.
    • Hot sauce: Serve it with hot sauce on the side for those who like a bit of spice.
    closeup of slice of Sausage and Peppers Breakfast Casserole on white square plate

    Keto Breakfast Casserole FAQs

    Can I Freeze Leftover Keto Breakfast Casserole?

    This recipes freezes beautifully. Just portion it out and place it in individual freezer safe containers. When you're ready to serve, thaw in the fridge over night, then reheat in the oven on 350F or you can even reheat it in the microwave.

    Do I Have to Precook the Meat Before Adding it to This Low Carb Casserole?

    It is recommended that you use precooked meat in this recipe because the eggs cook rather quickly in the oven which would not allow enough time for your meat to properly cook.

    Can I Make This Breakfast Casserole the Night Before?

    You have a couple of choices here. You can cook the sausage, chop the peppers and shred the cheese the night before, then the next morning just mix up the eggs and spices and bake. Or, because this casserole is excellent for reheating, you can cook the casserole the night before then reheat it in serving sizes.

    Why is My Casserole Soggy?

    A soggy casserole may result from excess moisture in the vegetables or not allowing the cooked sausage and veggies to cool before mixing them with the eggs. To prevent this, make sure to sauté the vegetables until they are tender and any liquid has evaporated. Allow the mixture to cool slightly before combining it with the egg mixture.

    closeup overhead view of Sausage and Peppers Breakfast Casserole cut into 8 slices

    🍽️ More Keto Casseroles

    • Chicken Parmesan Casseroles
    • Loaded Creamy Cauliflower Casserole
    • Chicken Cordon Bleu Casserole
    • Chicken Broccoli Casserole
    • Chicken Florentine Casserole
    • Chicken Alfredo Casserole
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    slice of Sausage and Peppers Breakfast Casserole on white plate with red pepper and onion in back

    Sausage and Pepper Breakfast Casserole

    This Sausage and Peppers Breakfast Casserole is a hearty, cheesy dish that's packed with bold flavors.
    5 from 1 vote
    Author: Julianne
    Servings 8
    Print Pin
    Save RecipeSaved!
    PREP 5 minutes mins
    COOK 40 minutes mins
    TOTAL 45 minutes mins

    RECIPE VIDEO

    Ingredients
     

    • 10 whole eggs
    • 1 pound Italian sausage
    • 2 cups Italian blend of cheeses, shredded, divided
    • 1 red bell pepper, diced
    • ½ yellow onion, diced
    • ½ cup cream cheese
    • ⅓ cup heavy cream
    • 1 tablespoon butter
    • 1 tablespoon fresh parsley, chopped
    • 1 teaspoon garlic salt
    • ¼ teaspoon salt
    • ½ teaspoon ground black pepper, divided

    Instructions
     

    • Preheat oven to 350°F. Add the ground sausage to a skillet and brown it, then remove and set it aside to cool.
    • In the same skillet (leaving behind any fat) add in the butter, red bell pepper, onion, salt and half the ground black pepper. Sauté until tender, then set aside to cool.
    • Add the eggs, heavy cream, garlic salt and remaining ground black pepper in a mixing bowl. Whisk until well combined.
    • Pour half the eggs into a 9 X 13 casserole baking dish that's been sprayed with olive oil. Add half the sausage, peppers, onions, shredded cheese and the cream cheese in small dollops, all evenly distributed. Repeat with the remaining ingredients, ending with the shredded cheese over the top.
    • Bake for 30 minutes or until the eggs have set.  Allow to cool before cutting into. Store leftovers in the fridge for a few days or freeze.

    Recipe Notes

    *Note: The recipe has been updated since filming the video.  Please refer to the information in the recipe card for the most current recipe.

    *Make sure to scroll up and read the post for substitutions, additions and helpful tips for making this recipe.

    Course Breakfast
    Cuisine Italian
    Calories 396kcal
    Nutrition Facts
    Sausage and Pepper Breakfast Casserole
    Amount per Serving
    Calories
    396
    % Daily Value*
    Fat
     
    33
    g
    51
    %
    Saturated Fat
     
    16
    g
    100
    %
    Carbohydrates
     
    5
    g
    2
    %
    Fiber
     
    1
    g
    4
    %
    Sugar
     
    3
    g
    3
    %
    Protein
     
    19
    g
    38
    %
    * Percent Daily Values are based on a 2000 calorie diet.

    *Nutritional data is provided as a courtesy and is accurate to the best of my knowledge. You can verify it using the nutrition calculator of your choice. All data is based on net carbs, without sugar alcohol: Swerve, Erythritol, Monk Fruit or Allulose.

    © Copyright for Keto Cooking Christian LLC. Please use the share buttons to share on social media, but please do not copy/paste the recipe.

    Rate this Recipe

    *Originally published on August 27, 2018, updated on November 8, 2024 with improvements to the recipe, new photos, new recipe information and helpful tips.

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    Filed Under: Breakfast, Casseroles, Italian, Pork, Posts, Recipes Tagged With: best keto recipes, best low carb recipes, breakfast casserole, easy keto recipes, easy low carb recipes, gluten free recipes, keto, keto breakfast recipes, keto casseroles, keto diet, keto meal prep, keto recipes, ketogenic diet, low carb breakfast recipes, low carb casseroles, low carb meal prep, low carb recipes

    Bible verse of the day

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    Reader Interactions

    Comments

      5 from 1 vote (1 rating without comment)

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      Recipe Rating




    1. CajunAlaskan

      February 09, 2023 at 10:02 am

      5 stars
      Thank you for 'doing the math' for us! We appreciate all the information you have available right there. MATTHEW 7:7 😉

      Reply
      • Keto Cooking Christian

        February 09, 2023 at 6:08 pm

        You're so welcome!

        Reply
    2. Betty

      September 15, 2020 at 9:47 am

      What size dish

      Reply
      • Keto Cooking Christian

        September 22, 2020 at 6:29 pm

        9 x 13 pan will work great!

        Reply
    3. Karen Kreitzberg

      June 01, 2020 at 3:42 pm

      How many servings does the sausage and pepper breakfast casserole make?

      Reply
      • Keto Cooking Christian

        June 03, 2020 at 4:51 pm

        There are 8 servings in this recipe.

        Reply

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    Julianne Walser KCC

    I'm Julianne, welcome! I offer tasty and indulgent Keto and Low Carb recipes that will never leave you feeling deprived!

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