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Overnight Croissant Breakfast Casserole

Savory Overnight Croissant Breakfast Casserole to Impress

Overnight Croissant Breakfast Casserole is a make-ahead dish transforming buttery croissants into a savory breakfast delight.
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Prep Time 20 minutes
Cook Time 45 minutes
Chilling Time 8 hours
Total Time 9 hours 5 minutes
Servings: 8 slices
Course: Breakfast
Cuisine: American
Calories: 400
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 6 pieces day-old croissants Torn into large chunks
  • 1 pound ground sausage Cooked until browned
  • 2 cups cheddar cheese Shredded
  • 6 large eggs Whisked
  • 2 cups whole milk For moisture and richness
  • 1 teaspoon salt Adjust to taste
  • 1 teaspoon black pepper Freshly ground
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/4 cup fresh parsley Optional, for garnish

Equipment

  • 9x13-inch baking dish
  • skillet
  • Mixing bowl

Method
 

Preparation Steps
  1. Tear day-old croissants into bite-sized chunks and place in a greased 9x13-inch baking dish.
  2. Cook ground sausage in a skillet over medium heat until browned, about 5–7 minutes. Drain excess fat and let cool.
  3. In a mixing bowl, whisk together eggs, milk, salt, black pepper, garlic powder, and onion powder until combined.
  4. Sprinkle cooked sausage and shredded cheddar over croissants, then pour egg mixture over the top, pressing down if needed.
  5. Cover with plastic wrap or foil and refrigerate overnight or for at least 8 hours.
  6. Preheat oven to 350°F (175°C). Remove cover and bake for 40–45 minutes until golden brown and set.
  7. Let cool for 5–10 minutes before slicing. Garnish with parsley if desired.

Nutrition

Serving: 1sliceCalories: 400kcalCarbohydrates: 25gProtein: 20gFat: 30gSaturated Fat: 15gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 4gCholesterol: 180mgSodium: 800mgPotassium: 300mgFiber: 1gSugar: 2gVitamin A: 500IUVitamin C: 1mgCalcium: 250mgIron: 2mg

Notes

This casserole can be customized with different proteins or vegetables. Let it rest after baking for cleaner cuts.

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