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The Best Breakfast Casserole is simple to make and makes the perfect breakfast or dinner. Made with sausage, peppers, onions, and shredded hash brown. It’s easy to prepare and taste great. 

breakfast casserole baked and in white baking dish.
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A good Breakfast Casserole is a great way to start your day. It’s a hearty breakfast that hits all the marks!

My kids love Breakfast Casserole, and they almost ask for it as much as my Homemade Pancakes!

This recipe is easy to make in the morning or even the night before.

How to make Breakfast Casserole:

Start by cooking your ground sausage in a skillet. The add in the garlic, onions and peppers.

Transfer the sausage mixture to a casserole dish and mix in the hashbrowns and some of the cheese.

Prepare your eggs and then pour the eggs over the casserole and mix them into the casserole. Top with the remaining cheddar cheese and bake.

ingredients for the breakfast casserole.

Ingredient Notes:

  • Ground Sausage: use pork or turkey.
  • Minced Garlic
  • Onion: diced small.
  • Red Bell Pepper: diced into bite-sized pieces.
  • Shredded Hash Browns: frozen.
  • Eggs
  • Seasoning: I used salt and pepper.
  • Cheese: shredded cheddar cheese.
breakfast casserole sliced into squares in the casserole dish.

Directions:

Step One – Preheat oven to 350 degrees.

Prepare a casserole dish with non-stick cooking spray.

cooking the sausage, peppers, onions and garlic in a skillet.

Step Two – Ground and cook sausage in a skillet until fully cooked.

Add garlic, peppers, and onions to the skillet and sauté with sausage for 2 minutes. Place this in your prepared baking dish.

adding the sausage mix, potatoes and cheese to the casserole dish.

Step Three – Add frozen shredded hash browns and 1/2 cup shredded cheese to the casserole dish with sausage. Mix together.

mixing the eggs for the casserole.

Step Four – Whisk eggs together with salt and pepper.

Pour eggs over ingredients in baking dish and gently mix to make sure eggs are covering the entire dish.

adding the eggs to the casserole dish.

Step Five – Top with cheese and bake for 45 minutes or until a fork can come out clean and eggs are cooked all the way through.

topping the casserole with cheese before baking.

Optional: for picture purposed I added fresh parsley for a garnish.

serving a slice of the breakfast casserole.

Tips for making a good Breakfast Casserole:

  1. Don’t overcook the veggies. The peppers and onions will cook more in the oven, so don’t let them get too soft when cooking in the skillet.
  2. Use your favorite breakfast sausage. You can use whichever brand or style of sausage is your favorite. Use pork or turkey too!
  3. Don’t over bake the casserole. The casserole can get too dry if you over bake it.
top-down view of serving a slice of the breakfast casserole.

How do you freeze:

Freeze in servings: You get a wonderful breakfast but don’t have to wake up earlier to make it. I also love making them into single-serving breakfast squares that I can eat all week long.

After cooking allows your casserole to cool. Cut it into squares and place them on a baking sheet. Place in the freezer into each square is frozen.

You can now place all the squares into a large freezer bag and they will not stick together. Pull out one at a time for breakfast and warm in a toaster oven or microwave!

Freeze in whole: To freeze the entire casserole cook according to directions (in a freezer-friendly dish, I like to use foil dishes when freezing) then allow to cool.

Cover with foil and place in the freezer. Place in the fridge 24 hours before you are ready to bake and place in the oven at 375 for 60-90 minutes to until warmed through.

slice of the breakfast casserole on stack of white plates.

Try some of my other favorite Breakfast Casserole Recipes:

Easy Low Carb Breakfast CasseroleThis is Easy Low Carb Breakfast Casserole is loaded with vegetables and full of flavor. I added sausage and baked until firm. I make this for my father-in-law all the time when they come to visit because he tries to eat a full Keto diet.

Cinnamon Roll Breakfast CasseroleMy family just loved this Cinnamon Roll Breakfast Casserole! It’s one of my favorite breakfast recipes. It’s super easy to make and can even be made the night before.

Ham and Potato Breakfast CasseroleThis Ham and Potato Breakfast Casserole is made with four simple ingredients and seasonings. It’s simple to make and my kids loved it. You can also check out my tips for freezing this and having it for later. 

using a fork to eat the breakfast casserole.

If you tried any of my recipes, I would love to hear from you, leave me a comment below. You can also connect with me on FACEBOOK, INSTAGRAM, and PINTEREST. I would love for you to follow along and discover more amazing recipes.

Show me what you are making, use hashtag #TDOARH

4.67 from 3 votes

Breakfast Casserole

The Best Breakfast Casserole is simple to make and makes the perfect breakfast or dinner. Made with sausage, peppers, onions, and shredded hash brown. It's easy to prepare and taste great. 
Prep: 15 minutes
Cook: 45 minutes
Total: 1 hour
Servings: 12 servings
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Ingredients 

  • 1 pound Ground sausage
  • 1 tablespoon Minced garlic
  • 1 cup Onion, (diced)
  • 1 cup Red bell pepper, (diced)
  • 4 cups Shredded hash browns, (frozen)
  • 12 Eggs
  • 1/4 teaspoon Salt
  • 1/8 teaspoon Pepper
  • 1 cup Cheddar cheese, (shredded)

Instructions 

  • Preheat oven to 350 degrees. Prepare a casserole dish with no-stick cooking spray.
  • Ground and cook sausage in a skillet until fully cooked. Add garlic, peppers, and onions to the skillet and sauté with sausage for 2 minutes. Place this in your prepared baking dish.
  • Add frozen shredded hash browns and 1/2 cup shredded cheese to the casserole dish with sausage. Mix together.
  • Whisk eggs together with salt and pepper. Pour eggs over ingredients in baking dish and gently mix to make sure eggs are covering the entire dish.
  • Top with cheese and bake for 45 minutes or until a fork can come out clean and eggs are cooked all the way through.
    Optional: for picture purposed I added fresh parsley for a garnish.

Video

Notes

Tips for making a good Breakfast Casserole:
  1. Don’t overcook the veggies. The peppers and onions will cook more in the oven, so don’t let them get too soft when cooking in the skillet.
  2. Use your favorite breakfast sausage. You can use whichever brand or style of sausage is your favorite. Use pork or turkey too!
  3. Don’t over bake the casserole. The casserole can get too dry if you over bake it.

Nutrition

Serving: 1slice | Calories: 283kcal | Carbohydrates: 15g | Protein: 15g | Fat: 18g | Saturated Fat: 7g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 7g | Trans Fat: 0.1g | Cholesterol: 200mg | Sodium: 429mg | Potassium: 410mg | Fiber: 1g | Sugar: 1g | Vitamin A: 750IU | Vitamin C: 23mg | Calcium: 107mg | Iron: 2mg
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About Jennie

I'm Jennie! I'm a busy mom of three and I love cooking and sharing easy recipes. From slow cooker meals to casseroles all my recipes are simple to make and ones the entire family will love.

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7 Comments

  1. This looks delicious!! I love making breakfast casseroles for a hearty breakfast, and they smell so good baking too! Perfect on the weekends:)
    Blessings,
    Leslie

  2. I need to try this! I am a huge fan of breakfast casserole, and my husband would love the potato chunks in this one! Thanks for sharing 🙂 Chelsea

  3. What a yummy recipe! I love breakfast casseroles that can be made the night before. I’ll have to give this a try! Karly