Imagine waking up to the comforting aroma of freshly baked breakfast casserole wafting through your kitchen. It’s warm, savory, cheesy, and packed with hearty goodness—all from ingredients you probably already have on hand. Whether you’re preparing breakfast for your family or hosting a weekend brunch, this Everything Bagel Breakfast Casserole is a showstopper that checks all the right boxes.

Let’s dive in to uncover how this dish transforms your ordinary breakfast routine into a delicious and memorable experience.

Why You’ll Love Everything Bagel Breakfast Casserole

This recipe is not just about food; it’s about creating moments. You’ll love it because:

• It’s easy to make and can be prepared the night before.
• It’s versatile, so you can customize it to suit your taste.
• The combination of bagels, cheese, and eggs is irresistibly satisfying.
• It’s perfect for feeding a crowd or enjoying leftovers the next day.

Ingredients You’ll Need

Below is a breakdown of the ingredients for your casserole. Feel free to adjust them based on your preferences or dietary needs.

Ingredient	Quantity	Notes
Leftover everything bagels	6, halved horizontally, cut or torn into pieces	Use slightly stale bagels for best results.
Cooked ham, bacon, or sausage	6 ounces	Cut or crumble into small pieces.
Sharp cheddar cheese	¾ cup, freshly grated	Divided into two portions: ½ cup and ¼ cup.
Eggs	8 large	Whisked into a smooth mixture.
Milk	2 ½ cups	Full-fat or reduced-fat for richness.
Ground mustard	1 teaspoon	Adds depth of flavor.
Kosher salt	½ teaspoon	Adjust to taste.
Ground black pepper	¼ teaspoon	Freshly ground for optimal flavor.
Fresh chives	2 tablespoons	Plus extra for garnish.
Cream cheese	8 ounces	Reduced-fat or regular; avoid fat-free varieties.

Step-by-Step Instructions

Step 1: Prepare Your Baking Dish

Lightly coat a 9×13-inch casserole dish with baking spray. Scatter the bagel pieces evenly across the bottom of the dish, ensuring good coverage.

Step 2: Layer the Ingredients

• Sprinkle the cooked ham, bacon, or sausage over the bagels.
• Add ½ cup of grated cheddar cheese over the top.

Step 3: Mix the Egg Mixture

In a large bowl, whisk together:

• Eggs
• Milk
• Ground mustard
• Kosher salt
• Black pepper

Step 4: Assemble the Casserole

• Pour the egg mixture evenly over the layered bagels and toppings.
• Lightly press down on the bagels to help them absorb some of the egg mixture.
• Dot small pieces of cream cheese across the top.
• Sprinkle with chopped chives and the remaining ¼ cup of cheddar cheese.

Step 5: Refrigerate

Cover the dish tightly with plastic wrap or foil. Refrigerate for at least 2 hours or overnight for optimal flavor and texture.

Baking Instructions

Step 6: Preheat the Oven

Remove the casserole from the fridge and let it sit at room temperature for 20–30 minutes. Preheat your oven to 350°F.

Step 7: Bake

1. Cover the dish with foil and bake for 40 minutes.
2. Remove the foil and continue baking for another 15–20 minutes, or until the edges are golden and the center is set.

Step 8: Rest and Serve

Let the casserole stand at room temperature for 10 minutes before serving. Garnish with additional fresh chives for a pop of color and flavor.

Tips for Success

• Bagel Consistency Matters: Slightly stale bagels work best as they absorb the egg mixture without becoming mushy. If your bagels are fresh, consider toasting them briefly before using.
• Customization Options: Add veggies like bell peppers, spinach, or mushrooms for extra nutrition.
• Cheese Variations: Swap cheddar with Swiss, mozzarella, or pepper jack for a different flavor profile.
• Make It Spicy: Add diced jalapeños or a pinch of red pepper flakes for a kick.

Nutritional Information

Nutrient	Per Serving (1/8 Casserole)
Calories	320
Protein	18g
Carbohydrates	20g
Fat	18g
Fiber	2g
Sodium	650mg

FAQs

1. Can I freeze the casserole?

Yes! Assemble the casserole without baking, wrap it tightly, and freeze for up to 3 months. Thaw overnight in the refrigerator before baking.

2. What’s the best way to reheat leftovers?

Reheat individual portions in the microwave for 1–2 minutes or warm the entire casserole in a 350°F oven until heated through.

3. Can I make this casserole vegetarian?

Absolutely. Substitute the meat with plant-based alternatives or add more veggies like spinach, tomatoes, and zucchini.

4. What other cheeses work well in this recipe?

Feel free to use Swiss, Gruyère, or Monterey Jack for a unique twist.

5. How do I prevent the casserole from drying out?

Cover it with foil for the initial bake and avoid overbaking. Letting it rest after baking helps retain moisture.

6. Can I use mini bagels instead?

Yes, mini bagels work well. Adjust the quantity to ensure you have enough to fill the dish.

Conclusion: A Breakfast to Remember

This Everything Bagel Breakfast Casserole is the perfect blend of savory, cheesy, and hearty goodness that makes mornings brighter and brunches better. It’s easy to prepare, endlessly customizable, and guaranteed to impress your guests or family.

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