Overnight Breakfast Casserole

Name: Overnight Breakfast Casserole
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 8 large eggs; 4 cups stale bread (cubed); 2 cups whole milk; 1 cup cooked bacon or sausage (diced); 2 cups shredded cheddar cheese; 1 cup bell peppers (diced); 1/2 cup onions (diced); Salt and pepper to taste

Published: July 14, 2025

by Sarah Connor

Why You'll Love This Recipe

This Overnight Breakfast Casserole is incredibly easy to prepare, allowing you to enjoy more time with loved ones
The combination of flavors creates a memorable breakfast experience that will impress everyone at the table
Its vibrant layers make for a visually appealing dish that’s sure to be the star of any brunch gathering
Plus, you can easily adjust the ingredients based on your preferences or what’s available in your pantry

I still chuckle at how my brother thought he could sneak an extra piece without anyone noticing—spoiler alert: we all noticed!

Essential Ingredients

Here’s what you’ll need to make this delicious dish: sweet baked apple side dish.

Eggs: Use large eggs for a fluffier texture; they’re essential for binding everything together.
Bread: Stale or day-old bread works best; it absorbs flavors beautifully without becoming mushy.
Milk: Whole milk adds richness; however, you can substitute with almond or oat milk if desired.
Bacon or Sausage: Choose your favorite type for that extra savory kick; turkey options are great for lighter fare.
Cheese: Shredded cheddar or Monterey Jack brings melty goodness; don’t skimp on this!
Vegetables: Bell peppers and onions add color and crunch; feel free to get creative with other veggies.

The full ingredients list, including measurements, is provided in the recipe card directly below.

Let’s Make it Together

Prepare Your Baking Dish: Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or nonstick spray to ensure easy serving later. For more inspiration, check out this Easy Fresh Herbed Tuna Salad recipe.

Cook Your Meat: In a skillet over medium heat, cook diced bacon or sausage until crispy. This step fills your kitchen with mouthwatering aromas! Drain excess fat and set aside.

Whisk Your Mixture: In a large bowl, whisk together eggs, milk, salt, and pepper until well combined. The mixture should look creamy and inviting.

Add Bread and Mix-Ins: Tear your bread into bite-sized pieces and add them to the egg mixture along with cooked meat and any vegetables you desire. Stir gently until everything is coated.

Layer with Cheese: Pour half of your mixture into the prepared baking dish. Sprinkle half of the cheese on top before adding the rest of the egg mixture followed by more cheese on top for that perfect golden crust.

Bake It Up!: Place in the preheated oven and bake for 40-45 minutes until bubbly and lightly golden on top. The smell will drive everyone wild—trust me!

Now you have everything you need to create an unforgettable Overnight Breakfast Casserole! Enjoy every scrumptious bite while basking in compliments from friends and family alike. delicious frosting for breakfast treats.

You Must Know

This overnight breakfast casserole is a game changer for busy mornings
It’s easy to prepare and smells heavenly when baking
The combination of flavors creates a breakfast that feels indulgent yet wholesome, making it perfect for family gatherings or lazy weekends

Perfecting the Cooking Process

To make the most of your overnight breakfast casserole, start by sautéing ingredients like onions and bell peppers first. Then layer them with eggs and bread before refrigerating overnight for maximum flavor absorption. For more inspiration, check out this Garlic Parmesan Cheeseburger Bombs recipe.

Add Your Touch

Feel free to customize your casserole by swapping out veggies or adding spices. Try using different cheeses or include protein options like bacon or sausage for extra heartiness.

Storing & Reheating

Store leftover casserole in an airtight container in the fridge for up to four days. To reheat, warm it in the oven at 350°F until heated through, about 20 minutes.

Chef's Helpful Tips

Always use day-old bread for better texture; fresh bread can become soggy
For creamier results, add an extra egg or splash of milk
Allow it to rest before serving so flavors meld beautifully

I still remember the first time I made this dish; my friends devoured it and demanded the recipe on the spot! Their compliments filled my heart and kitchen with warmth.

FAQ

Can I prepare this overnight breakfast casserole ahead of time?

Yes, you can assemble it the night before and bake it in the morning.

What type of bread works best for this casserole?

Stale or day-old bread is ideal as it absorbs liquid without becoming mushy.

Can I freeze leftovers from the overnight breakfast casserole?

Absolutely! Just cool completely before freezing in airtight containers for up to three months.

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📖 Recipe Card