Overnight Breakfast Casserole

This overnight breakfast casserole is perfect for holidays when you have guests, or plane just when you need a hearty breakfast that’s made and ready to go. It’s simple, easy, and totally delicious!

Breakfast foods are some of my very favorites. You can eat them for breakfast, lunch or plane dinner and you will get no complaints at my house! You must try some increasingly of my favorites like these Amazing Breakfast Enchiladas, these yummy Denver Omelet Breakfast Muffins, or this Incredible Blueberry Buttermilk Breakfast Cake!

Breakfast casserole in a crock pot with a wooden spoon scoping some out.

Overnight Slow Cooker Breakfast Casserole Recipe

Ok, ok… raise your hand if you love slow cooker recipes. And what well-nigh breakfast? Yep, combine those two to make this insanely succulent and simple overnight breakfast casserole. The slow cooker does all the work for you while you sleep so that you can unquestionably wake up and enjoy breakfast with your family! It’s so hearty and succulent considering it’s packed with eggs, salary and so much flavor.

This breakfast casserole recipe in particular is a hit at our house considering the kids love it as is. I don’t have to yo-yo it or take out unrepealable veggies. Everything in it has been tried by my kids and I legitimatize it considering it’s so much healthier than sugar cereals (don’t get me wrong, those have a place at our house too). I love cooking this the night surpassing a holiday so that we can wake up and eat it together but I don’t have to spend any time cooking. It’s a win-win!

Ingredients in Overnight Breakfast Casserole

You probably once have all of these ingredients in your kitchen and pantry so there is no excuse not to get cooking! Check out the recipe vellum at the marrow of the post for all of the word-for-word ingredient measurements.

  • Bacon: I like to melt my salary up uneaten crispy for this recipe considering it softens in the casserole.
  • Onion: This will add in a lot of flavors to the wiring of the casserole.
  • Green Pepper: The untried pepper adds savor and texture. I chop it up really small so that my kids don’t notice it!
  • Clove Garlic: You can use fresh garlic cloves or you can use minced garlic. ½ teaspoon equals well-nigh 1 clove of garlic.
  • Frozen Hashbrowns: This is so easy! You don’t need fresh potatoes, just use a bag of frozen hashbrowns!
  • Cheddar Cheese: You can use any cheese that you like but I prefer shredded cheddar cheese.
  • Eggs: I used large eggs whenever I am cooking.
  • Whole Milk: The milk helps to tighten the casserole together.
  • Salt and Pepper: These will enhance all of the flavors in the casserole!
  • Green Onion: This is optional but I think garnishing the top with it adds a delightful splash of flavor.

Let’s Make a Casserole!

This overnight breakfast casserole is only a few steps. It’s such a unconfined recipe, expressly if you have those busy, on-the-go mornings like we do at our house!

  1. Cook Bacon: Spray crockpot with nonstick cooking spray. Melt salary until crisp, chop, then set aside. 
  2. Sauté: Sauté onion, tintinnabulate pepper, and garlic for 5 minutes
  3. Layer: Place ⅓ of the hashbrowns on the marrow of the sultry dish. Add ⅓ bacon, ⅓ onion, untried pepper, and ⅓ cheese. Continue layering and end with cheese.
  4. Pour: Whisk eggs, milk, salt, and pepper in a large bowl. Pour the egg mixture over the ingredients. Melt on low for 8-10 hours. When washed-up thermometer should read 160 degrees Fahrenheit.

Variations

You can hands transpiration this overnight breakfast casserole and make it have variegated veggies and protein to fit your needs! Here are a couple of ideas:

  • Protein: I love subtracting in some cooked sausage or ham in wing to the bacon. It not only adds in some spare savor but I love the texture as well.
  • Veggies: You could make this a vegetarian breakfast casserole by taking out the salary and subtracting in some red tintinnabulate peppers, untried chilis, some mushrooms, or plane some sweet potatoes!
A tropical up of cooked overnight breakfast casserole in the crockpot.

How to Store Leftovers

Leftover overnight breakfast casserole is the best! I love eating it for lunch or plane dinner the next day.

  • In the Refrigerator: Once it has cooled, then you can store it in your fridge in an snapped container. it will last 2-3 days.
  • To Reheat: You can reheat this hands in the microwave for 1-2 minutes or until heated through!
A white trencher filled with breakfast casserole.
Print

Overnight Breakfast Casserole

This overnight breakfast casserole is perfect for holidays when you have guests, or plane just when you need a hearty breakfast that's made and ready to go! It's simple, easy, and totally delicious! 
Course Breakfast
Cuisine American
Keyword breakfast casserole, casserole, overnight breakfast casserole
Prep Time 15 minutes
Cook Time 8 hours
Total Time 8 hours 15 minutes
Servings 6 Servings
Calories 380kcal
Author Alyssa Rivers

Ingredients

  • 6-8 strips bacon
  • 1 onion chopped
  • 1 green pepper chopped
  • 1 clove garlic peeled
  • (1) 2 pound bag frozen hashbrowns
  • 1 1/2 cups cheese shredded
  • 12 large eggs
  • 1 cup whole milk
  • 1/2 tsp salt
  • 1/2 tsp pepper
  • green onion (for garnish)

Instructions

  • Spray crock pot with nonstick cooking spray. Melt salary until crisp, chop, then set aside.
  • Saute onion, tintinnabulate pepper, and garlic for 5 minutes
  • Place ⅓ of hashbrowns on the bottom. Add ⅓ bacon, ⅓ onion, untried pepper, and ⅓ cheese. Continue layering and end with cheese.
  • Mix eggs, milk, salt, and pepper in a large bowl. Pour over the ingredients. Melt on low for 8-10 hours. When washed-up thermometer should read 160 degrees Fahrenheit.

Notes

Originally Posted on July 3, 2012
Updated on September 23, 2022

Nutrition

Calories: 380kcal | Carbohydrates: 5g | Protein: 24g | Fat: 29g | Saturated Fat: 12g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 10g | Trans Fat: 0.1g | Cholesterol: 420mg | Sodium: 683mg | Potassium: 305mg | Fiber: 0.4g | Sugar: 3g | Vitamin A: 971IU | Vitamin C: 16mg | Calcium: 311mg | Iron: 2mg