Why Make This Recipe
Make-Ahead Breakfast Casserole is perfect for busy mornings. It lets you enjoy a hearty breakfast without spending a lot of time cooking. You can prepare it the night before and simply bake it in the morning.
This dish is also versatile and can feed a crowd. Whether it’s for a family gathering or a brunch with friends, this casserole hits the spot. Plus, it’s packed with flavors and nutrients to start your day right.
Equipment Needed for Make-Ahead Breakfast Casserole
- Large mixing bowl
- Whisk
- Baking dish
- Sauté pan
- Cutting board
- Sharp knife
What You Need to Make Make-Ahead Breakfast Casserole
- Canadian bacon
- Onion
- Baby spinach
- Gruyère cheese
- Nutmeg
- Garlic
- Eggs
- Milk
- Salt
- Pepper
- Bread (optional)
How to Cook Make-Ahead Breakfast Casserole Step by Step
- Preheat the oven to 350°F (175°C).
- In a pan, sauté the onions and garlic until translucent.
- In a large bowl, whisk together the eggs, milk, nutmeg, salt, and pepper.
- Layer the Canadian bacon, sautéed onions, spinach, and Gruyère cheese in a greased baking dish.
- Pour the egg mixture over the layers.
- If using, add bread cubes on top.
- Cover and refrigerate overnight.
- Bake in the preheated oven for 45-60 minutes, or until set and golden on top.
How to Make Make-Ahead Breakfast Casserole
To make this breakfast casserole, start by preparing your ingredients. Chop the onions and garlic, then sauté them until they are soft.
While they cool, mix the eggs and milk in a large bowl. Add in the nutmeg, salt, and pepper for flavor. Next, layer your ingredients in a greased baking dish, starting with Canadian bacon, followed by the sautéed mixture, spinach, and cheese.
Finally, pour the egg mixture over everything. If you’d like, toss in some bread cubes for added texture. Cover and chill overnight, making it easy to bake in the morning.
How to Serve Make-Ahead Breakfast Casserole
Serve this casserole warm straight from the oven. Slice it into squares for individual portions. You can garnish with fresh herbs for a pop of color and flavor.
This dish is hearty enough to be the main feature of your breakfast table. Feel free to serve it alongside some fresh fruit or a side of yogurt.
What to Serve with Make-Ahead Breakfast Casserole
Pair your casserole with fresh fruit salad for a refreshing touch. You might also enjoy it with some crispy hash browns or a light green salad.
A little drizzle of hot sauce can add an extra kick for those who like it spicy.
How to Store Make-Ahead Breakfast Casserole
Leftovers can be stored in an airtight container in the refrigerator. It will last for up to 3 days.
To reheat, simply place a slice in the microwave or warm it in the oven until heated through.
Tips to Make Make-Ahead Breakfast Casserole
To make your casserole even tastier, consider using different types of cheese. Feta or cheddar can add a nice flavor twist.
Make sure to sauté the vegetables well to bring out their sweetness. You can also add other veggies like bell peppers or mushrooms.
Variation
For a vegetarian option, skip the Canadian bacon and load up on more veggies. You can add ingredients like zucchini or sun-dried tomatoes.
Best Time to Make Make-Ahead Breakfast Casserole
The best time to make this casserole is on a Sunday evening. It allows you to have a stress-free Monday morning.
You can also prepare it for holidays or special occasions when you have guests over.
Common Mistakes to Avoid
One common mistake is not greasing the baking dish enough. This can lead to sticking and make serving difficult.
Another mistake is overcooking the casserole, which can make it dry. Keep an eye on the baking time.
Nutritional Notes
This casserole provides a balance of protein, vegetables, and carbohydrates. It is filling and can be part of a healthy breakfast when enjoyed in moderation.
FAQs
Can I freeze Make-Ahead Breakfast Casserole?
Yes, you can freeze it before baking. Just wrap it well and store it for up to 3 months.
How do I reheat frozen casserole?
Thaw it in the refrigerator overnight, then bake it in the oven until heated through.
Can I use different meats or no meat at all?
Absolutely! You can experiment with different meats or make it meatless by adding more vegetables.
Conclusion
Make-Ahead Breakfast Casserole is an easy and practical dish that offers warmth and comfort on busy mornings. With simple ingredients and easy preparation, it promises a delicious start to your day. Don’t forget to make some extra for leftovers; it makes for an excellent breakfast throughout the week!

Make-Ahead Breakfast Casserole
Ingredients
Method
- Preheat the oven to 350°F (175°C).
- In a sauté pan, cook the chopped onions and minced garlic until translucent.
- In a large bowl, whisk together the eggs, milk, nutmeg, salt, and pepper.
- Layer the chopped Canadian bacon, sautéed onions and garlic, spinach, and shredded Gruyère cheese in a greased baking dish.
- Pour the egg mixture over the layers.
- If using, add bread cubes on top.
- Cover and refrigerate overnight.
- Bake in the preheated oven for 45-60 minutes, or until set and golden on top.