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Make-Ahead Croissant Breakfast Casserole for Spring Brunch

Make-Ahead Croissant Breakfast Casserole for Spring Brunch
60min Total Time
8 people Servings
Medium Difficulty
Moderate Cost
360 kcal Calories

Indulge in a delightful way to kick off your spring brunch with this easy-to-make Make-Ahead Croissant Breakfast Casserole!


Ingredients

8
  • 6 large croissants, cut into chunks
  • 8 large eggs
  • 2 cups whole milk
  • 1 cup shredded cheddar cheese
  • 1 cup diced ham or cooked bacon
  • 1/2 cup diced bell pepper
  • 1/2 cup chopped green onions
  • 1 teaspoon garlic powder
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon cayenne pepper (optional)

Instructions

1

Preheat your oven to 350°F (175°C).

2

In a large mixing bowl, whisk together the eggs, milk, garlic powder, salt, black pepper, and cayenne pepper.

3

Add the croissant chunks to the egg mixture and gently fold until the croissants are well coated.

4

Stir in the cheese, ham or bacon, bell pepper, and green onions.

5

Pour the mixture into a greased 9x13-inch baking dish.

6

Cover with plastic wrap and refrigerate for at least 2 hours or overnight.

7

When ready to bake, remove the casserole from the refrigerator and let it sit at room temperature for 10 minutes.

8

Bake uncovered for 35-40 minutes, or until the egg is set and the top is golden brown.

9

Let it cool for a few minutes before serving.

Kitchen Tools

  • Large mixing bowl
  • Whisk
  • 9x13-inch baking dish
  • Spatula
  • Plastic wrap
  • Oven mitts

Chef's Tips

For added flavor, use different types of cheese such as feta or mozzarella.
Feel free to mix in your favorite vegetables for a healthier option.
Let the casserole sit before serving to allow it to firm up for easier slicing.

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Recipe Variations

Add chorizo for a spicy twist.
Try an Italian version with sun-dried tomatoes and basil.

Healthy Alternatives

Substitute croissants with whole grain or gluten-free bread.
Use egg substitutes or egg whites to reduce cholesterol.
Opt for low-fat cheese to cut down on calories.

Serving Suggestions

Pair with a fresh fruit salad or a light yogurt parfait.
Serve with a side of mixed greens dressed lightly with vinaigrette.

Nutrition Facts

360
Calories
20g
Protein
29g
Carbs
22g
Fat
2g
Fiber
3g
Sugar
680mg
Sodium
220mg
Cholesterol

Dietary Info

Gluten-free
Lactose-free

Garnish Ideas

Sprinkle with fresh herbs like parsley or cilantro before serving.
Top with additional shredded cheese for extra flavor.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days.
Reheat in the oven at 350°F (175°C) for 15-20 minutes or until heated through.

Leftover Ideas

Use leftover casserole pieces in a breakfast wrap.
Reinvent as a sandwich filling with fresh greens.

Common Mistakes to Avoid

Not letting the casserole chill long enough can result in a soggy texture.
Overbaking can cause the casserole to dry out.

Frequently Asked Questions

Can I prepare the casserole a day in advance?

Yes, it's ideal to let it sit in the refrigerator overnight to develop flavors.

Can I freeze the casserole?

Yes, you can freeze it before baking. Just thaw overnight in the fridge and bake as directed.

What can I substitute for eggs?

You can use a commercial egg substitute or silken tofu blended until smooth.

Is this recipe suitable for vegetarians?

You can easily make it vegetarian by omitting the meat and adding extra vegetables.

How long does it take to bake from the fridge?

It may take a few extra minutes if it's cold from the fridge, so check for doneness.

Reviews

Emily
Mar 5, 2026
Absolutely delicious! Perfect for my brunch gathering, everyone loved it!
Sophia
Feb 21, 2026
Great flavors, but I would recommend using stale croissants for better texture.
Mia
Mar 16, 2026
It was decent, but I found it a bit too rich for my taste.
Olivia
Mar 16, 2026
A new favorite for weekend brunches! So easy to make.
Ava
Mar 15, 2026
Loved the combination of croissants and cheese!
Isabella
Mar 15, 2026
I added spinach, and it turned out fantastic. Will make again!
Charlotte
Feb 20, 2026
Came out perfectly! A crowd-pleaser for sure.
Amelia
Mar 12, 2026
Very tasty but rich. Perfect with a side of fruit.
Evelyn
Feb 22, 2026
Good recipe, but I expected a little more flavor.
Harper
Mar 2, 2026
Such a cozy dish! My family loved it.
Luna
Mar 6, 2026
Great for feeding a large group!
Scarlett
Feb 21, 2026
This was a hit! I’d definitely make this again.
Grace
Mar 7, 2026
Simple to prepare and so delicious.
Chloe
Mar 20, 2026
Fantastic recipe! Made it for Easter brunch, and it disappeared.
Zoey
Feb 27, 2026
A little indulgent but oh so good!
Sophie
Feb 23, 2026
Will definitely be adding this to my regular brunch rotation!
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