Make-Ahead Breakfast Egg Casserole

Highlighted under: Fresh Healthy Recipes

Make-Ahead Breakfast Egg Casserole is the perfect solution for busy mornings. Prepare it the night before and simply bake it in the morning for a delicious and hearty breakfast.

Lena

Created by

Lena

Last updated on 2025-12-23T02:14:28.263Z

This Make-Ahead Breakfast Egg Casserole is a family favorite that combines eggs, cheese, and your choice of vegetables or meats for a nutritious start to your day. Perfect for brunches or holiday gatherings, it can be customized to suit your taste.

Why You'll Love This Recipe

  • Quick to prepare and perfect for busy mornings
  • Versatile with endless ingredient variations
  • Nutritious and satisfying for the whole family

The Benefits of Make-Ahead Meals

Make-ahead meals are a game-changer for those with busy lifestyles. By preparing your meals in advance, you can save valuable time during hectic mornings. This Make-Ahead Breakfast Egg Casserole not only ensures you have a wholesome breakfast ready to go, but it also alleviates the stress of morning meal prep. Simply pop it in the oven, and you can focus on other important tasks or enjoy some extra time with your family.

Additionally, make-ahead meals help reduce food waste. When you plan and prepare your meals in advance, you use only the ingredients you need, ensuring that nothing goes to waste. This casserole is perfect for utilizing leftover vegetables or meats, making it a sustainable choice as well. With a little planning, you can enjoy delicious, homemade meals without the last-minute rush.

Customizing Your Casserole

One of the best features of this breakfast casserole is its versatility. You can easily customize it to suit your family's tastes or dietary preferences. Swap out the cheese for a dairy-free alternative, use different vegetables like spinach or mushrooms, or add spices like paprika for a kick. The possibilities are endless, allowing you to create a dish that's uniquely yours while ensuring everyone at the breakfast table is satisfied.

If you're looking to make it vegetarian, simply omit the ham or sausage and load up on your favorite veggies. For those who prefer a heartier dish, consider adding cooked bacon or chorizo. This recipe is a blank canvas that encourages creativity, making it a fun and engaging cooking experience for everyone involved.

Storage and Reheating Tips

Storing your Make-Ahead Breakfast Egg Casserole is simple and effective. If you have leftovers, allow the casserole to cool completely before slicing it into portions. Place the slices in airtight containers and refrigerate for up to 4 days. This way, you can enjoy a delicious breakfast throughout the week without any extra effort. Just heat up a slice in the microwave or oven, and you’re good to go!

For longer storage, consider freezing the casserole. After baking, let it cool entirely, then wrap it tightly in plastic wrap and aluminum foil before placing it in the freezer. It can be stored for up to three months. When you're ready to eat, simply thaw it in the refrigerator overnight and reheat it in the oven for a fresh-out-of-the-oven taste.

Ingredients

Ingredients

Main Ingredients

  • 12 large eggs
  • 2 cups milk
  • 2 cups shredded cheese (cheddar or your choice)
  • 1 cup diced bell peppers
  • 1 cup diced onions
  • 2 cups cooked diced ham or sausage (optional)
  • Salt and pepper to taste
  • 1 teaspoon garlic powder
  • 1 teaspoon dried oregano

Feel free to mix and match vegetables and proteins according to your preference!

Instructions

Instructions

Prepare the Mixture

In a large bowl, whisk together the eggs, milk, garlic powder, oregano, salt, and pepper until well combined.

Add Ingredients

Stir in the cheese, bell peppers, onions, and cooked ham or sausage, if using.

Transfer to Baking Dish

Pour the mixture into a greased 9x13 inch baking dish and spread it evenly.

Refrigerate Overnight

If making ahead, cover the dish with foil and refrigerate overnight.

Bake the Casserole

When ready to bake, preheat the oven to 350°F (175°C). Remove the foil and bake for 45 minutes, or until the center is set and the top is golden brown.

Let the casserole cool slightly before slicing and serving.

Nutritional Highlights

This Make-Ahead Breakfast Egg Casserole is not just convenient; it’s also packed with nutrients to fuel your day. Eggs are a fantastic source of protein, providing essential amino acids that help repair and build tissues in the body. Combined with the vitamins and minerals from bell peppers and onions, this dish supports overall health and well-being.

Moreover, incorporating ingredients like cheese and cooked meats adds healthy fats and additional protein, making this casserole a well-rounded meal. By choosing whole milk or low-fat alternatives, you can adjust the nutritional profile to fit your dietary needs while still enjoying a hearty breakfast.

Perfect for Any Occasion

Whether you're hosting a brunch, preparing for a busy week ahead, or simply looking for a satisfying breakfast option, this Make-Ahead Breakfast Egg Casserole fits the bill. It's great for family gatherings, holiday breakfasts, or even as a comforting meal for busy weekdays. Its easy preparation and delicious flavor make it a crowd-pleaser.

You can also serve it alongside fresh fruit, yogurt, or whole-grain toast for a complete breakfast spread. The casserole can be a centerpiece at a brunch table, offering both taste and visual appeal. Its golden brown top and colorful ingredients make it inviting and appetizing!

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Questions About Recipes

→ Can I make this casserole vegetarian?

Absolutely! Simply omit the meat and add more vegetables.

→ How long can I store leftovers?

Leftovers can be stored in the refrigerator for up to 3 days.

→ Can I freeze the casserole?

Yes, you can freeze it before baking. Just thaw in the refrigerator overnight before baking.

→ What can I serve with this casserole?

It pairs well with fresh fruit, toast, or a light salad.

Make-Ahead Breakfast Egg Casserole

Make-Ahead Breakfast Egg Casserole is the perfect solution for busy mornings. Prepare it the night before and simply bake it in the morning for a delicious and hearty breakfast.

Prep Time15 minutes
Cooking Duration45 minutes
Overall Time60 minutes

Created by: Lena

Recipe Type: Fresh Healthy Recipes

Skill Level: Easy

Final Quantity: 8 servings

What You'll Need

Main Ingredients

  1. 12 large eggs
  2. 2 cups milk
  3. 2 cups shredded cheese (cheddar or your choice)
  4. 1 cup diced bell peppers
  5. 1 cup diced onions
  6. 2 cups cooked diced ham or sausage (optional)
  7. Salt and pepper to taste
  8. 1 teaspoon garlic powder
  9. 1 teaspoon dried oregano

How-To Steps

Step 01

In a large bowl, whisk together the eggs, milk, garlic powder, oregano, salt, and pepper until well combined.

Step 02

Stir in the cheese, bell peppers, onions, and cooked ham or sausage, if using.

Step 03

Pour the mixture into a greased 9x13 inch baking dish and spread it evenly.

Step 04

If making ahead, cover the dish with foil and refrigerate overnight.

Step 05

When ready to bake, preheat the oven to 350°F (175°C). Remove the foil and bake for 45 minutes, or until the center is set and the top is golden brown.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 18g
  • Saturated Fat: 10g
  • Cholesterol: 300mg
  • Sodium: 450mg
  • Total Carbohydrates: 6g
  • Dietary Fiber: 0g
  • Sugars: 2g
  • Protein: 20g