Make-Ahead Breakfast Egg Casserole

Highlighted under: Quick & Tasty Creations

Start your day right with this Make-Ahead Breakfast Egg Casserole, perfect for busy mornings and family gatherings.

Emma

Created by

Emma

Last updated on 2025-12-22T23:43:29.471Z

This delicious breakfast casserole is a game-changer for busy mornings. Prepare it the night before and simply bake it in the morning!

Why You'll Love This Recipe

  • Versatile and customizable with your favorite ingredients
  • Perfect for meal prep and feeding a crowd
  • Comforting and satisfying to start your day

The Perfect Breakfast Solution

In today's fast-paced world, mornings can often feel rushed and chaotic. This Make-Ahead Breakfast Egg Casserole provides a delicious solution that allows you to simplify your mornings without sacrificing taste or nutrition. With just a bit of prep work, you can have a hearty breakfast ready to go, ensuring you and your family start the day off right. Whether serving a family gathering or preparing meals for the week, this casserole is a smart choice that caters to various tastes.

One of the best aspects of this casserole is its adaptability. You can easily swap out ingredients to cater to dietary preferences or seasonal produce. Feel free to experiment with different cheeses, vegetables, and meats, allowing for a unique dish each time you make it. This flexibility not only keeps breakfast exciting but also helps you utilize what you already have in your pantry or fridge.

Meal Prep Made Easy

Meal prepping can be a game changer for busy individuals and families. This Make-Ahead Breakfast Egg Casserole can be made in advance and stored in the refrigerator or freezer, making it a convenient option for those hectic mornings. Simply bake the casserole the night before, and in the morning, all you need to do is slice and serve. It’s perfect for breakfast on the go or a leisurely weekend brunch with friends.

In addition to saving time, meal prepping with this casserole can help you manage portion sizes and reduce food waste. By preparing a batch at once, you can ensure you have nutritious meals ready to enjoy throughout the week. Plus, it's an excellent way to incorporate a variety of ingredients, ensuring that your family consumes a balanced diet.

Serving Suggestions

Ingredients

Ingredients

Casserole Ingredients

  • 12 large eggs
  • 2 cups milk
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 2 cups diced bread (any type)
  • 1 cup shredded cheese (cheddar, mozzarella, or your choice)
  • 1 cup cooked sausage or bacon, crumbled
  • 1 cup diced bell peppers
  • 1/2 cup chopped onions

Mix and match the ingredients based on your taste preferences!

Instructions

Instructions

Prepare the Casserole

  1. Preheat your oven to 350°F (175°C).
  2. In a large bowl, whisk together the eggs, milk, salt, and pepper.
  3. Add the bread, cheese, sausage or bacon, bell peppers, and onions to the egg mixture and stir until well combined.

Bake the Casserole

  1. Pour the mixture into a greased 9x13 inch baking dish.
  2. Bake for 45 minutes, or until the eggs are set and the top is golden.
  3. Let it cool for a few minutes before slicing and serving.

Enjoy your breakfast casserole warm, and feel free to garnish with fresh herbs!

Storage Tips

If you have leftovers, storing the Make-Ahead Breakfast Egg Casserole is a breeze. Simply cover it tightly with plastic wrap or transfer it to an airtight container. It can be kept in the refrigerator for up to four days or frozen for up to three months. Just ensure it’s cooled completely before refrigerating or freezing to maintain the best texture and flavor.

When you're ready to enjoy your leftovers, reheat individual portions in the microwave or place the entire casserole back in the oven at 350°F (175°C) until warmed through. This makes it a convenient option for busy weekdays when you need a quick and satisfying breakfast.

Nutritional Benefits

This Make-Ahead Breakfast Egg Casserole is not only delicious but also packed with nutritional benefits. Eggs are an excellent source of protein, vitamins, and minerals, making them a great way to start your day. Including vegetables like bell peppers and onions adds fiber, vitamins, and antioxidants, contributing to overall health and wellness.

Additionally, using whole grain bread can enhance the fiber content and provide sustained energy throughout the morning. By customizing the ingredients, you can create a breakfast that aligns with your dietary needs while still being comforting and satisfying.

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Questions About Recipes

→ Can I use egg substitutes?

Yes, you can use egg substitutes, but the texture may vary slightly.

→ How long can I store leftovers?

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

→ Can I freeze this casserole?

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

→ What can I add to the casserole?

Feel free to add vegetables like spinach or mushrooms, or swap the protein for ham or turkey.

Make-Ahead Breakfast Egg Casserole

Start your day right with this Make-Ahead Breakfast Egg Casserole, perfect for busy mornings and family gatherings.

Prep Time15 minutes
Cooking Duration45 minutes
Overall Time60 minutes

Created by: Emma

Recipe Type: Quick & Tasty Creations

Skill Level: Easy

Final Quantity: 8 servings

What You'll Need

Casserole Ingredients

  1. 12 large eggs
  2. 2 cups milk
  3. 1 teaspoon salt
  4. 1/2 teaspoon black pepper
  5. 2 cups diced bread (any type)
  6. 1 cup shredded cheese (cheddar, mozzarella, or your choice)
  7. 1 cup cooked sausage or bacon, crumbled
  8. 1 cup diced bell peppers
  9. 1/2 cup chopped onions

How-To Steps

Step 01

  1. Preheat your oven to 350°F (175°C).
  2. In a large bowl, whisk together the eggs, milk, salt, and pepper.
  3. Add the bread, cheese, sausage or bacon, bell peppers, and onions to the egg mixture and stir until well combined.

Step 02

  1. Pour the mixture into a greased 9x13 inch baking dish.
  2. Bake for 45 minutes, or until the eggs are set and the top is golden.
  3. Let it cool for a few minutes before slicing and serving.

Nutritional Breakdown (Per Serving)

  • Calories: 300 kcal
  • Total Fat: 20g
  • Saturated Fat: 10g
  • Cholesterol: 400mg
  • Sodium: 600mg
  • Total Carbohydrates: 15g
  • Dietary Fiber: 1g
  • Sugars: 2g
  • Protein: 20g