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Overnight Slow Cooker Breakfast Casserole

9 9 9
WW Freestyle: 9
Prep Time15 mins
Cook Time6 hrs 40 mins
Total Time6 hrs 55 mins
Set the slow cooker overnight and wake up to this amazing breakfast casserole loaded with hashbrowns, cheese, sausage, and eggs. Perfect for Christmas or Holiday mornings, and when hosting a big crowd.
Course: Breakfast
Cuisine: American
Servings: 10 Serves
Calories: 301


  • 2 to 3 russet potatoes, peeled and shredded (you can also use a 20-ounce bag of refrigerated/frozen hash browns - you do not need to thaw them out)
  • 8 ounces shredded part-skim mozzarella cheese, divided
  • 4 ounces shredded parmigiano reggiano
  • 10 fully cooked mild breakfast links turkey sausage (such as Johnsonville), sliced into coins
  • 1 cup sun-dried tomatoes in oil, chopped
  • 10 large eggs
  • 1/2 cup half & half
  • 1/2 cup 2% milk
  • 1 tablespoon dried basil
  • 1 teaspoon garlic powder
  • 1/4 teaspoon chili powder
  • 1 teaspoon salt
  • 1/4 teaspoon fresh ground black pepper
  • chopped green onions, for garnish (optional)
  • halved cherry tomatoes, for garnish (optional)


  • Spray slow cooker with a nonstick cooking spray.
  • Layer shredded potatoes or hash browns on the bottom of the slow cooker.
  • Sprinkle top of potatoes with half of shredded mozzarella cheese, parmigiano reggiano cheese, sausage links, and chopped sun-dried tomatoes. Set aside.
  • In a mixing bowl combine eggs, half & half, and milk; whisk until well combined. 
  • Whisk in dried basil, garlic powder, chili powder, salt and black pepper; whisk until completely combined.
  • Pour egg mixture over prepared hash browns and smooth out the top.
  • Sprinkle the rest of the mozzarella cheese over the top.
  • Cover slow cooker and cook on LOW for 6 to 8 hours, OR on HIGH for 3 to 4 hours. 
  • Garnish with green onions and tomatoes; Serve.


Nutrition Facts
Overnight Slow Cooker Breakfast Casserole
Amount Per Serving
Calories 301 Calories from Fat 162
% Daily Value*
Fat 18g28%
Saturated Fat 7g35%
Cholesterol 245mg82%
Sodium 795mg33%
Potassium 540mg15%
Carbohydrates 13g4%
Fiber 1g4%
Sugar 1g1%
Protein 21g42%
Vitamin A 680IU14%
Vitamin C 13.9mg17%
Calcium 393mg39%
Iron 2.3mg13%
* Percent Daily Values are based on a 2000 calorie diet.
Keywords: slow cooker recipes, crock pot recipes, crock pot breakfast recipe, slow cooker breakfast recipe, crock pot casserole recipe