Bagel Breakfast Casserole is a hearty and satisfying dish that turns your favorite morning bagels into a baked breakfast feast. It’s loaded with eggs, cheese, cream cheese, and sausage (or bacon), creating a golden, custardy bake that’s crispy on top and soft inside. Perfect for holidays, brunch gatherings, or a make-ahead breakfast, this casserole brings all the flavors of a classic bagel sandwich — in one easy dish.
Ingredients
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4 plain or everything bagels, cut into 1-inch cubes
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1 tablespoon butter (for greasing the dish)
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1 cup cooked breakfast sausage or chopped bacon
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1 cup shredded cheddar cheese
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½ cup cream cheese, cut into small cubes
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6 large eggs
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2 cups milk (whole or 2%)
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½ teaspoon salt
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¼ teaspoon black pepper
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¼ teaspoon garlic powder
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2 green onions, thinly sliced (optional for garnish)
Cooking Time
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Prep time: 15 minutes
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Cook time: 45 minutes
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Total time: 1 hour
Serving
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Serves 6–8
Instructions
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Prepare the baking dish:
Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter. -
Assemble the base:
Place the cubed bagels in the prepared dish. Sprinkle cooked sausage (or bacon), shredded cheddar, and cream cheese cubes evenly over the bagel pieces. -
Make the egg mixture:
In a large bowl, whisk together eggs, milk, salt, pepper, and garlic powder until smooth and frothy. -
Combine:
Pour the egg mixture evenly over the bagel and cheese mixture. Lightly press down with a spatula so everything soaks up the liquid. -
Rest or bake immediately:
For best results, cover and refrigerate for at least 30 minutes or overnight to let the bagels absorb the mixture. If short on time, you can bake it right away. -
Bake:
Uncover and bake for 40–45 minutes, until the top is golden brown and the center is set. -
Serve:
Let the casserole rest for 5 minutes before cutting into squares. Garnish with sliced green onions if desired.
Tips
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Everything bagels add extra flavor without extra effort.
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Swap sausage for diced ham, turkey bacon, or vegetables like spinach and mushrooms.
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For a richer dish, replace ½ cup of the milk with half-and-half.
Nutrition (per serving)
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Calories: 420
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Protein: 22g
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Carbohydrates: 28g
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Fat: 24g
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Fiber: 2g
This Bagel Breakfast Casserole takes the best parts of a breakfast sandwich — eggs, cheese, bagels, and sausage — and bakes them into one warm, golden, family-style dish. It’s easy, comforting, and perfect for
