Overnight Croissant Breakfast Casserole for Easy Mornings

Enjoy the delightful flavors of Overnight Croissant Breakfast Casserole, a make-ahead breakfast that combines buttery croissants, savory sausage, and melty cheese.

Print Recipe Pin Recipe

Prep Time 20

Cook Time 35

Chill Time 8

Total Time 8 55

Servings: 6 slices

Course: Breakfast

Cuisine: American

Calories: 350

Ingredients Equipment Method Nutrition Notes

Ingredients

For the Casserole

6 pieces croissants Flaky, buttery texture; store-bought is fine.
6 large eggs Fresh for best flavor.
1 pound sausage Cooked; can swap for bacon or turkey sausage.
2 cups cheese Cheddar or mozzarella recommended.
2 cups milk Can use plant-based milk.

For Seasoning

1 teaspoon salt Adjust to taste.
1 teaspoon pepper Freshly ground recommended.
2 tablespoons fresh herbs Optional; thyme or chives work well.

Equipment

Skillet
mixing bowl
9x13-inch baking dish
spatula

Method

Step-by-Step Instructions

Begin by gathering all your ingredients for the casserole.
In a skillet over medium heat, sauté the sausage until browned and fully cooked.
In a mixing bowl, whisk together the eggs, milk, salt, and pepper.
Layer the torn croissants, cooked sausage, and cheese in a baking dish.
Pour the egg custard mixture evenly over the layers.
Cover the dish and refrigerate overnight.
Preheat oven to 350°F (175°C) and bake the casserole for 30-35 minutes.
Let it cool for 5-10 minutes before slicing and serving.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 29gProtein: 18gFat: 22gSaturated Fat: 10gCholesterol: 220mgSodium: 800mgPotassium: 300mgFiber: 1gSugar: 2gVitamin A: 500IUCalcium: 200mgIron: 2mg

Notes

Use fresh ingredients for the best flavor. Customize with your favorite veggies or cheeses.

Tried this recipe?

Let us know how it was!