A breakfast casserole is a fantastic way to start your day, combining eggs, bread, and your favorite ingredients into a hearty dish. You'll whisk together eight large eggs and two cups of milk, then mix in diced vegetables and shredded cheese of your choice. Layer everything with cubed, day-old bread in a greased baking dish. After allowing it to rest, bake at 350°F for 45-55 minutes until golden brown. This dish not only makes meal prep easy but also helps reduce food waste. Stick around to discover tips and variations that can elevate your breakfast casserole game!
Key Takeaways
- A basic breakfast casserole includes eggs, milk, cheese, vegetables, and cubed bread, making it a versatile and customizable dish.
- Preheat the oven to 350°F, whisk the egg mixture, and sauté vegetables for enhanced flavor before combining all ingredients.
- Let the casserole sit for 30 minutes before baking to allow flavors to meld together for a tastier result.
- Bake for 45-55 minutes until golden brown, and cool slightly before slicing for serving.
- Leftovers can be stored in the refrigerator for up to 3 days, making it a convenient meal prep option.
History

When you think about breakfast casseroles, it's fascinating to realize their roots can be traced back to various cultures that embraced the idea of combining leftover ingredients into a single dish.
Throughout history, people have sought creative ways to minimize waste, leading to the development of these hearty meals. In the United States, breakfast casseroles gained popularity in the mid-20th century, often featuring eggs, bread, and cheese. They became a staple for family gatherings and brunches, allowing everyone to enjoy a filling meal with minimal effort.
Similarly, other cultures have their own variations, blending local ingredients and flavors. This culinary evolution highlights how breakfast casseroles not only reflect practicality but also bring people together around the table, celebrating shared meals.
Recipe

Breakfast casseroles are a fantastic way to start your day, combining all your favorite breakfast ingredients into one hearty dish. Perfect for family gatherings, brunches, or meal prep, this recipe is versatile and can be customized to include whatever ingredients you enjoy most. With layers of flavor and texture, this casserole is a crowd-pleaser that can easily feed a group.
To make your breakfast casserole, you can choose a variety of ingredients like eggs, cheese, vegetables, and proteins. The beauty of this dish lies in its flexibility; whether you prefer sausage, bacon, or a veggie-packed option, you can tailor it to fit your taste. Additionally, this casserole can be prepared the night before, making it an easy option for busy mornings.
Ingredients:
- 8 large eggs
- 2 cups milk
- 1 teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon garlic powder
- 1 cup shredded cheese (cheddar, mozzarella, or your choice)
- 1 cup cooked and crumbled sausage or bacon (optional)
- 2 cups diced vegetables (bell peppers, onions, spinach, etc.)
- 6 cups cubed bread (day-old bread works best)
To prepare the casserole, preheat your oven to 350°F (175°C). In a large mixing bowl, whisk together the eggs, milk, salt, pepper, and garlic powder until well combined.
In a greased 9×13 inch baking dish, layer the cubed bread evenly across the bottom. Next, add your cooked sausage or bacon, if using, followed by the diced vegetables and shredded cheese. Pour the egg mixture over the entire dish, ensuring all the bread is soaked.
Allow the casserole to sit for at least 30 minutes to let the bread absorb the egg mixture. Bake for 45-55 minutes or until the top is golden brown and the eggs are set.
For best results, let the casserole cool for a few minutes before slicing and serving. You can also make this dish ahead of time and refrigerate it overnight. Just pop it in the oven the next morning for a quick and delicious breakfast.
Feel free to experiment with different cheeses, spices, or proteins to make it your own! Storing leftovers is easy; simply cover and refrigerate for up to 3 days, and reheat in the oven or microwave for a quick breakfast option. Enjoy!
Cooking Steps

Now that you have your ingredients ready, it's time to get cooking!
Start by preheating your oven to 350°F.
Then, you'll mix the eggs and milk before adding in your diced vegetables.
Step 1. Preheat Oven to 350°F

Before you plunge into preparing your breakfast casserole, preheating the oven to 350°F is essential. This step guarantees that your casserole cooks evenly and thoroughly, resulting in a deliciously baked dish.
To preheat the oven, simply turn it on and set the temperature. You'll notice a light or indicator that shows when it's reached the desired heat.
While you wait, you can gather your ingredients and tools, making the most of this time. Keep in mind that if you skip this step, the cooking time may be affected, and your casserole mightn't turn out as intended.
Once the oven's ready, you can move on to the next steps of your breakfast casserole preparation with confidence.
Step 2. Mix Eggs and Milk

To create a creamy base for your casserole, whisk together a generous amount of eggs and milk in a large mixing bowl. Aim for about six large eggs and one cup of milk, but feel free to adjust based on your preferred texture.
As you whisk, make sure to blend the ingredients until they're fully combined and frothy. This step is essential, as it'll give your casserole that rich, fluffy consistency you desire.
Don't forget to add a pinch of salt and pepper for seasoning; it'll enhance the overall flavor. Once you've achieved a smooth mixture, set it aside for a moment.
Incorporating folate-rich ingredients can also provide additional health benefits to your breakfast casserole.
You're now ready to combine it with your favorite ingredients for a delicious breakfast treat!
Step 3. Add Diced Vegetables Mixture

As you prepare to enhance your breakfast casserole, adding a mixture of diced vegetables will bring both flavor and nutrition to the dish.
Start by choosing your favorite veggies—bell peppers, onions, and spinach work wonderfully together. Dice them into small, even pieces to guarantee they cook evenly and blend seamlessly into the casserole.
Sauté the vegetables in a bit of olive oil over medium heat for about 5-7 minutes, or until they're tender and fragrant. This step not only softens them but also intensifies their flavors.
Once they're ready, fold the sautéed vegetables into your egg and milk mixture. Make certain everything's well combined, so each bite is packed with deliciousness.
Incorporating these veggies will also contribute to a healthier lifestyle, as they help to reduce allergens and pollutants in your home environment.
Now, you're ready for the next step!
Step 4. Add Cheese and Seasonings

Once you've incorporated the vegetables into your egg mixture, it's time to elevate your breakfast casserole with cheese and seasonings.
Start by adding a generous cup of shredded cheese—cheddar, mozzarella, or a blend works beautifully. Stir the cheese in until it melts slightly into the mixture.
Next, sprinkle in your favorite seasonings; salt and pepper are essentials, while garlic powder, onion powder, or paprika can add a flavorful kick. If you're feeling adventurous, fresh herbs like chives or parsley can brighten the dish.
Mix everything thoroughly, ensuring the cheese and seasonings are evenly distributed throughout. This step transforms your casserole into a savory delight that everyone will love, so don't skip it!
Enjoy the aroma as it begins to come together! Additionally, consider pairing your casserole with a cup of coffee; understanding the different brewing methods can enhance your breakfast experience.
Step 5. Pour Into Baking Dish

Carefully pour your egg and cheese mixture into a greased baking dish, ensuring it spreads evenly across the bottom. This step is essential for even cooking and a delicious texture.
If you've added veggies or meats, give the mixture a gentle stir to distribute them evenly. Once everything's in the dish, take a moment to smooth out the top with a spatula. This helps to create an even surface, allowing for uniform cooking.
Preheat your oven to the temperature specified in your recipe. While waiting for the oven, you can sprinkle a bit more cheese or herbs on top for extra flavor.
Once the oven is ready, place your baking dish inside and get excited for your breakfast casserole!
Final Thoughts

While preparing a breakfast casserole can seem intimidating at first, you'll find it's a rewarding and delicious way to start your day.
The beauty of this dish lies in its versatility; you can mix and match ingredients based on your preferences and what's available. Whether you prefer a meat-loaded option or a veggie-packed delight, the possibilities are endless, much like the customizable toppings you can add to desserts. For instance, consider adding savory elements like cheese or vegetables to elevate the flavor profile.
Plus, it's perfect for feeding a crowd or meal prepping for the week ahead.
Don't forget that it's just as delightful leftover, making it a convenient choice.
Once you've mastered this recipe, you'll be inspired to experiment with flavors and textures. Consider how color accuracy can enhance the visual appeal of your dish when serving it to guests.
Enjoy the satisfaction of creating a dish that brings joy to your mornings, and don't hesitate to share it with family and friends!
Frequently Asked Questions
Can I Prepare the Casserole in Advance?
Absolutely, you can prepare the casserole in advance!
Just assemble all the ingredients and store it in the refrigerator overnight or even freeze it for longer storage.
When you're ready to bake, you might need to adjust the cooking time a bit if it's cold from the fridge or frozen.
This way, you'll save time on the day you plan to serve it and enjoy a hassle-free meal!
What Can I Substitute for Eggs?
If you're looking for egg substitutes, you've got a few tasty options.
Try using a mashed banana or unsweetened applesauce for a natural sweetness. Silken tofu works well, too; just blend it until smooth.
For a savory touch, consider using a mixture of ground flaxseed and water, or even chickpea flour mixed with water.
These alternatives can help achieve a similar texture and binding effect, making your dish just as delicious!
How Long Can Leftovers Be Stored?
You can store leftovers in the fridge for about three to four days.
Just make sure you seal them tightly in an airtight container.
If you want to keep them longer, consider freezing the leftovers; they'll last for up to three months in the freezer.
When you're ready to eat them, simply thaw and reheat.
Always check for any signs of spoilage before diving in, though!
Can I Freeze the Breakfast Casserole?
Yes, you can freeze it! Just make sure you let it cool completely before you wrap it tightly in plastic wrap or aluminum foil.
You might want to cut it into portions for easier thawing later.
When you're ready to eat, simply thaw it in the fridge overnight and reheat it in the oven or microwave.
It'll taste great, and you'll have a convenient meal ready whenever you need it!
What Sides Pair Well With This Dish?
When you're planning a meal, pairing the right sides can elevate your dish. Fresh fruit salad brings a revitalizing contrast, while crispy roasted potatoes add a comforting crunch.
You might also consider a light green salad tossed with a tangy vinaigrette for a pop of color and flavor. If you want something heartier, buttery toast or flaky biscuits can complement your main dish beautifully.
Don't forget to add a splash of your favorite beverage!