Overnight Croissant Breakfast Casserole

Why Make This Recipe

Overnight Croissant Breakfast Casserole is a perfect dish for busy mornings. It combines the flaky goodness of croissants with delicious eggs, cheese, and your choice of meat. You can prepare it the night before, making your morning routine easier and more enjoyable. This casserole is great for family gatherings, brunch with friends, or a cozy breakfast at home. It’s satisfying, filling, and oh-so-delicious!

How to Make Overnight Croissant Breakfast Casserole

Making this delicious casserole is simple. You just need to tear up some croissants, whisk a few ingredients together, and let it sit overnight. Here’s how you do it step by step.

Ingredients

  • 6 croissants, torn into pieces
  • 6 eggs
  • 2 cups milk
  • 1 cup shredded cheese (cheddar or your choice)
  • 1/2 cup diced ham or cooked sausage
  • 1/4 cup chopped green onions
  • Salt and pepper to taste
  • 1 teaspoon vanilla extract
  • 1 tablespoon melted butter

Directions

  1. Grease a baking dish with melted butter.
  2. Layer the torn croissant pieces in the dish.
  3. In a mixing bowl, whisk together the eggs, milk, vanilla extract, salt, and pepper.
  4. Pour the egg mixture over the croissants, ensuring they are well coated.
  5. Sprinkle cheese, meat, and green onions on top.
  6. Cover the dish and refrigerate overnight.
  7. In the morning, preheat the oven to 350°F (175°C).
  8. Bake uncovered for 30-35 minutes or until the casserole is set and golden brown.
  9. Let it cool slightly before serving.

How to Serve Overnight Croissant Breakfast Casserole

After baking, serve the casserole warm. Cut it into squares or wedges and enjoy it directly from the dish. You can garnish it with fresh herbs or additional green onions for a pop of color and extra flavor.

How to Store Overnight Croissant Breakfast Casserole

If you have leftovers, you can store them in an airtight container in the refrigerator for up to 3 days. Reheat individual portions in the microwave or oven until warmed through.

Tips to Make Overnight Croissant Breakfast Casserole

  • Use stale croissants for better texture.
  • Feel free to add your favorite vegetables like bell peppers or spinach.
  • Adjust the amount of cheese and meat according to your taste.

Overnight Croissant Breakfast Casserole

Serving Ideas

This casserole pairs well with a simple side of fresh fruit or a mixed green salad. You could also serve it with a dollop of sour cream or a side of salsa for extra flavor.

Final Thoughts

Overnight Croissant Breakfast Casserole is an easy and tasty breakfast option that everyone will love. The combination of fluffy eggs and buttery croissant pieces is hard to resist. So why not give it a try for your next gathering or weekend breakfast?

FAQs

Can I use other types of bread?
Yes, you can use other types of bread like bagels or brioche if you prefer.

Can I prepare this dish without meat?
Absolutely! You can skip the meat or substitute it with veggies for a vegetarian version.

How long does it take to bake?
It usually takes about 30-35 minutes at 350°F (175°C) until the casserole is set and golden brown.

Overnight Croissant Breakfast Casserole

Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 6 servings
Calories 350
A flaky and delicious casserole made with croissants, eggs, cheese, and your choice of meat, perfect for busy mornings.

Ingredients

Main Ingredients

  • 6 pieces croissants, torn into pieces (Use stale croissants for better texture.)
  • 6 pieces eggs
  • 2 cups milk
  • 1 cup shredded cheese (Cheddar or your choice.)
  • 1/2 cup diced ham or cooked sausage (Can be omitted for a vegetarian version.)
  • 1/4 cup chopped green onions (Can be enhanced with extra for garnish.)
  • to taste Salt and pepper
  • 1 teaspoon vanilla extract
  • 1 tablespoon melted butter (For greasing the baking dish.)

Instructions 

Preparation

  • Grease a baking dish with melted butter.
  • Layer the torn croissant pieces in the dish.
  • In a mixing bowl, whisk together the eggs, milk, vanilla extract, salt, and pepper.
  • Pour the egg mixture over the croissants, ensuring they are well coated.
  • Sprinkle cheese, meat, and green onions on top.
  • Cover the dish and refrigerate overnight.

Baking

  • In the morning, preheat the oven to 350°F (175°C).
  • Bake uncovered for 30-35 minutes or until the casserole is set and golden brown.
  • Let it cool slightly before serving.

Notes

This casserole pairs well with fresh fruit, mixed green salad, sour cream, or salsa for extra flavor.
Calories: 350kcal
Course: Breakfast, Brunch
Cuisine: American
Keyword: Breakfast Casserole, Brunch Recipe, Croissant Recipe, Easy Breakfast, Overnight Dish

Author

Hi, I’m Amelia Hart a chef and food storyteller from Portland, Oregon. My cooking is guided by the seasons and inspired by the beauty of local ingredients. I believe food should taste like where you are and feel like home. From roasted summer corn to cozy winter soups, I love helping home cooks discover how simple, joyful, and meaningful seasonal cooking can be. For me, every meal is a chance to slow down, connect, and share something real.

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