Go Back
Delicious overnight croissant breakfast casserole ready to serve.

Overnight Croissant Breakfast Casserole

A delightful breakfast casserole made with flaky croissants, creamy eggs, and melted cheese, perfect for gatherings or cozy family mornings.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 8 hours 30 minutes
Servings: 6 servings
Course: Breakfast, Brunch
Cuisine: American
Calories: 350
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 6 croissants, torn into pieces
  • 6 large eggs
  • 2 cups milk
  • 1 cup shredded cheese (such as cheddar or mozzarella)
  • 1/2 cup cooked and crumbled sausage or bacon (optional)
  • 1/4 cup chopped green onions
  • Salt and pepper to taste
  • Butter for greasing the baking dish

Method
 

Preparation
  1. Grease a baking dish with butter.
  2. Place the torn croissant pieces in the dish.
  3. In a mixing bowl, whisk together the eggs, milk, salt, and pepper.
  4. Pour the egg mixture over the croissants, ensuring they are well coated.
  5. Sprinkle cheese, sausage or bacon, and green onions on top.
  6. Cover the dish with plastic wrap and refrigerate overnight.
Cooking
  1. In the morning, preheat the oven to 350°F (175°C).
  2. Remove the cover and bake for 30-40 minutes, or until the casserole is set and golden on top.
  3. Allow to cool slightly before serving.

Notes

Serve directly from the baking dish for a homey touch, and consider pairing with fresh fruit, yogurt, or a light salad. This casserole is versatile and can be customized with different meats, vegetables, or cheeses.