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Everything Bagel Breakfast Casserole

The ultimate Everything Bagel Casserole, combining all the flavors of a bagel sandwich in one dish! Fluffy bagels, sausage, eggs, spinach, and cheese, this is the perfect breakfast casserole for making ahead!
Prep Time15 minutes
Cook Time1 hour
Total Time1 hour 15 minutes
Course: Breakfast
Cuisine: American
Keyword: everything bagel breakfast casserole
Servings: 8 serving
Calories: 383kcal
Author: Kasey Schwartz

Equipment

  • large skillet
  • Large mixing bowl
  • whisk
  • Measuring cups
  • measuring spoons
  • 9x13 casserole dish
  • Wooden spoon

Ingredients

  • 1 Tablespoon butter
  • 1/2 pound breakfast sausage, casings removed
  • 2 everything bagels
  • 3 cups whole milk
  • 8 eggs
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 1 1/2 cups baby spinach
  • 1 1/3 cup shredded cheddar cheese
  • 1/2 pound cream cheese, cut into small pieces
  • 1 Tablespoon everything bagel seasoning

Instructions

  • Preheat your oven to 350ºF. Grease a 9x13 baking dish and set aside.
  • Add the butter to a large skillet and melt over medium high heat.
    1 Tablespoon butter
  • Add the sausage to the hot pan and cook for about 5 minutes, chopping the sausage into small pieces as it cooks using a wooden spoon or rubber spatula.
    1/2 pound breakfast sausage, casings removed
  • Remove the sausage from the pan and set aside.
  • Cut the bagels into small, ½ inch pieces.
    2 everything bagels
  • In a large bowl, whisk together the milk, eggs, salt, and pepper. Stir the cooked sausage, 1 cup of the shredded cheese and spinach into the egg mix.
    3 cups whole milk, 8 eggs, 1/2 teaspoon salt, 1/4 teaspoon ground black pepper, 1 1/2 cups baby spinach, 1 1/3 cup shredded cheddar cheese
  • Stir the chopped bagel into the egg mix then pour the mix into the greased baking pan.
  • Dot the top of the casserole dish with the pieces of cream cheese then sprinkle the top with the everything bagel seasoning and the rest of the cheddar cheese.
    1/2 pound cream cheese, cut into small pieces, 1 Tablespoon everything bagel seasoning
  • Cover the dish with foil and bake for 45 minutes. Uncover the pan and continue to bake for 15 more minutes. The cheese will be melted and beginning to brown.
  • Enjoy while warm.

Notes

  • You can make this breakfast casserole right away or  it can assembled the night before, refrigerated and baked the following morning. Let the chilled casserole sit at room temperature for 15 to 20 minutes before baking.
  • If you only have plain bagels, double the amount of everything bagel seasoning to add more flavor. 
  • Replace the cheddar cheese with provolone

Nutrition

Serving: 1serving | Calories: 383kcal | Carbohydrates: 7g | Protein: 19g | Fat: 31g | Saturated Fat: 15g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 10g | Trans Fat: 0.1g | Cholesterol: 243mg | Sodium: 740mg | Potassium: 353mg | Fiber: 0.1g | Sugar: 6g | Vitamin A: 1507IU | Vitamin C: 2mg | Calcium: 306mg | Iron: 1mg