Everything Bagel Casserole | The Recipe Critic

Wake up to the tasty flavors of this everything bagel casserole! It’s made with everything bagels and seasoning, sausage, eggs, cream cheese, and gruyère cheese. The result is a creamy and savory breakfast casserole that everyone will devour!

Breakfast casseroles are the ultimate breakfast idea for feeding a crowd. Make them the night before so they’re ready to go in the morning! Try this overnight breakfast casserole, my croissant breakfast casserole, and this easy crescent roll casserole.

Everything Bagel Breakfast Casserole

If you love the flavor of everything bagel seasoning then this breakfast casserole will knock your socks off! This everything bagel casserole is loaded with so many flavors and hearty ingredients to keep you satisfied. Toasted bagel pieces and sausage are baked to perfection in a decadent cheesy egg mixture! Prepare this casserole the night before, keep it in the fridge, and then all you have to do is pop it in the oven the next morning! 

I love everything bagels so much that I even have a recipe to make them at home! I make a big batch and then we enjoy them throughout the week. My kids love to use them for these tasty bagel sandwiches, and I use the extra bagels to make this casserole!

Ingredients You’ll Need

Here are the ingredients you will need to make this delicious everything bagel casserole. It’s so easy and adaptable to make just how you like it! See my tips and variations below for ideas.

• Everything Bagels: Cut into bite-sized pieces and toasted.
• Breakfast Sausage: Cooked and crumbled for added protein.
• Cream Cheese: Adds to the creaminess of the egg mixture.
• Whole Milk: Any milk will work, but I love using whole milk to add richness.
• Eggs: Use large eggs for this recipe.
• Everything Bagel Seasoning: Boost the everything bagel flavor with more seasoning!
• Gruyère Cheese: Shredded Gruyere cheese is SO delicious in this recipe.
• Green Onions or Parlsey: Garnish with chopped green onions or fresh parsley before serving.

Everything Bagle Casserole Recipe

Casseroles are so easy to assemble because the ingredients are all combined and poured into the same pan! Toast your bagel pieces ahead of time and assemble the casserole when you’re ready. Follow my step-by-step instructions below!

1. Preheat the Oven/ Cut the Bagels: Preheat the oven to 375 degrees and spread the cut-up bagels on a parchment-lined baking sheet.
2. Toast the Bagel Pieces: Toast the bagels in the oven for about 8 minutes, stirring them around about halfway through. Once dry and toasty, remove them from the oven and let the bagel pieces cool completely.
3. Whisk the Milk Mixture: While the bagels cool, heat the cream cheese in a large bowl in the microwave for 20-30 seconds, until it is very soft. Use a hand mixer to beat the cream cheese until it is smooth. Slowly mix in the milk and everything bagel seasoning. Whisk the mixture until very smooth and creamy.
4. Add the Eggs and Cheese: Whisk in the eggs and stir in the shredded cheese.
5. Combine the Egg/Milk Mixture, Sausage, and Toasted Bagel Pieces: Once the bagel pieces are fully cooled, add them to a bowl with the cooked sausage and the egg mixture. Toss together until fully combined. Cover and set aside to soak for 15-20 minutes.
6. Prepare Baking Dish: Meanwhile, preheat the oven to 350 degrees Fahrenheit and spray a 4-quart baking dish with pan spray.
7. Bake: After the mixture has soaked transfer it to the prepared dish and sprinkle the top with additional everything bagel seasoning. Bake for 30-35 minutes or until a knife comes out clean from the center and it doesn’t jiggle when you shake it gently.
8. Garnish and Serve: Let the casserole sit for 5 minutes before garnishing with sliced green onions and serving.

More Delicious Breakfast Ideas