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everything bagel breakfast casserole - featured image

Creamy Everything Bagel Breakfast Casserole


  • Author: Lena
  • Total Time: 55-60 minutes
  • Yield: 8 servings 1x

Description

A creamy, savory breakfast casserole made with everything bagels soaked in a rich egg custard, perfect for a cozy brunch or lazy weekend mornings.


Ingredients

Scale
  • 4 large everything bagels, cut into 1-inch cubes (preferably day-old)
  • 8 large eggs, room temperature
  • 1 ½ cups heavy cream (whole milk or half-and-half can be used for a lighter option)
  • ½ cup milk (any kind, including dairy-free alternatives like oat milk)
  • 2 tablespoons everything bagel seasoning (sesame seeds, poppy seeds, dried garlic, onion flakes, salt)
  • 1 cup shredded cheese (sharp cheddar or mozzarella, optional but recommended)
  • ½ teaspoon salt
  • ¼ teaspoon freshly ground black pepper
  • Butter or nonstick spray for greasing the baking dish

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or nonstick spray.
  2. Cut everything bagels into 1-inch cubes. If using fresh bagels, lightly toast them to maintain texture.
  3. In a large mixing bowl, whisk together 8 large eggs, 1 ½ cups heavy cream, and ½ cup milk until smooth and slightly frothy.
  4. Add 2 tablespoons everything bagel seasoning, ½ teaspoon salt, and ¼ teaspoon freshly ground black pepper to the custard. Whisk to combine.
  5. Gently fold in 1 cup shredded cheese (optional).
  6. Place bagel cubes evenly into the greased baking dish. Pour the custard mixture over the bagels, pressing lightly with a spatula to help absorption.
  7. Let the casserole sit at room temperature for 10-15 minutes to allow the bagels to soak up the custard.
  8. Bake uncovered for 40-45 minutes, or until the top is golden brown and a knife inserted in the center comes out mostly clean. Tent with foil if the top browns too quickly.
  9. Remove from oven and let rest for 5-10 minutes before serving.

Notes

Use day-old bagels for better custard absorption and to prevent sogginess. Let the casserole soak for 10-15 minutes before baking for a creamy texture. Room temperature eggs and dairy help the custard blend and bake evenly. Tent with foil if the top browns too quickly. For a crispier top, broil for 1-2 minutes at the end, watching closely. Variations include adding veggies, meats, or using dairy-free substitutes.

  • Prep Time: 15 minutes
  • Cook Time: 40-45 minutes
  • Category: Breakfast
  • Cuisine: American

Nutrition

  • Serving Size: 1/8 of casserole
  • Calories: 320
  • Fat: 20
  • Carbohydrates: 15
  • Protein: 18

Keywords: everything bagel casserole, breakfast casserole, savory breakfast, easy brunch recipe, creamy egg casserole, everything bagel seasoning