overhead shot of a freshly baked breakfast bagel casserole

Bagels

breakfast bagel casserole

By:

Savory Touch

Published:

03 Sept 2025
overhead shot of a freshly baked breakfast bagel casserole
I remember one Thanksgiving when my family stayed over—all twelve of us crammed into my tiny apartment! I needed a breakfast solution that could feed a crowd without requiring me to spend all morning chained to the stove. That's when I stumbled upon the idea of a bagel casserole, and let me tell you, it was a game-changer! Everybody loved it, and it's been a family favorite ever since. Seriously, you have to try this thing, its so easy! Even my picky nephew asks for seconds. Whats not to love?
ingredients for breakfast bagel casserole laid out on a kitchen counter
The beauty of this casserole lies in its adaptability. Feel free to swap out the meats and cheeses to suit your preferences. I've made it with ham and Gruyere, sausage and cheddar, and even a vegetarian version with spinach and feta—all were amazing. Experiment a little, don't be shy to try something new, because thats what makes cooking interesting, right? Also, consider adding a dash of hot sauce for a little kick, if you are into that sort of thing.
a slice of breakfast bagel casserole being served
Beyond its delicious taste, this casserole is also incredibly practical. You can assemble it the night before and bake it in the morning, which makes it ideal for busy mornings or special occasions. It’s also a fantastic way to reduce food waste by using up bagels that are past their prime. Who knew day-old bagels could transform into something so utterly delicious? Think about it this way: you're saving the planet and making a great breakfast, all at once. Amazing, isn't it?
breakfast bagel casserole with various toppings and cheese

Required Equipments

  • 9x13 inch baking dish
  • Large mixing bowl
  • Whisk
  • Skillet
  • Measuring cups and spoons
  • Knife

Breakfast Bagel Casserole: Frequently Asked Questions

Breakfast Bagel Casserole

This Breakfast Bagel Casserole recipe is a delightful and easy way to use up leftover bagels. Packed with savory ingredients and baked to golden perfection, it's perfect for a weekend brunch or a cozy family breakfast.

⏳ Yield & Time

Yield: 6 servings

Preparation Time: 15 minutes

Cook Time: 35 minutes

Total Time:

🍽 Ingredients

📖 Instructions

  1. Preheat your oven to 350°F (175°C). Greasing a 9x13 inch baking dish. This prevents sticking and makes serving easier.
  2. Slice the bagels: Cut 6 bagels into bite-sized pieces. Day-old bagels work best for this recipe because they're slightly stale and will soak up the egg mixture without becoming too mushy. If you only have fresh bagels, consider letting them sit out for a few hours to dry out a bit.
  3. Cook the meat (if using): If you're using sausage or bacon, cook it in a skillet over medium heat until browned. Drain any excess grease and set aside. If using ham, simply dice it into small pieces.
  4. Whisk the eggs and milk: In a large mixing bowl, whisk together 8 large eggs, 2 cups of milk, 1 teaspoon of salt, 1/2 teaspoon of black pepper, and 1/4 teaspoon of nutmeg. The nutmeg adds a subtle warmth that complements the savory flavors. Don't over-whisk the eggs; just combine them until they're evenly mixed.
  5. Add cheese and bagels: Stir in 1 1/2 cups of shredded cheese (such as cheddar, mozzarella, or a blend), the cooked meat (if using), and the bagel pieces into the egg mixture. Make sure the bagels are evenly coated with the egg mixture. Nobody wants dry bagels!
  6. Pour into baking dish: Pour the bagel mixture into the prepared baking dish, spreading it out evenly. Gently press down on the mixture to ensure the bagels are submerged in the egg mixture. This helps them absorb the liquid and prevents the top layer from drying out.
  7. Top with remaining cheese: Sprinkle the remaining 1/2 cup of shredded cheese over the top of the casserole. This creates a delicious, golden-brown crust that's irresistible.
  8. Bake: Bake in the preheated oven for 30-40 minutes, or until the casserole is set and the top is golden brown. A knife inserted into the center should come out clean. If the top starts to brown too quickly, you can loosely cover the casserole with foil for the last 15 minutes of baking. If its still not done, give it a few more minutes, its ok!
  9. Let it rest: Remove the casserole from the oven and let it cool for 5-10 minutes before slicing and serving. This allows the casserole to set slightly and makes it easier to cut into clean slices. You don't want it to fall apart, right?
  10. Serve: Garnish with fresh herbs like parsley or chives, if desired. Serve warm and enjoy! This casserole is delicious on its own, but you can also serve it with a side of fresh fruit, yogurt, or a simple green salad. Or maybe some good old bacon? Oh the possibilities!

📝 Notes

  • Feel free to add vegetables such as bell peppers, onions, or spinach to the casserole.
  • For a sweeter version, add a touch of maple syrup or brown sugar to the egg mixture.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven.

🍎 Nutrition

Calories: 450 kcal

Protein: 25 g

Fat: 22 g

Carbohydrates: 40 g

Fiber: 3 g

Calcium: 300 mg

A good breakfast sets the tone for the whole day, and this bagel casserole is like a symphony in your mouth!

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