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Overnight Croissant Breakfast Casserole

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A hearty and delicious breakfast casserole made with buttery croissants, eggs, cheese, and sausage, perfect for busy mornings and brunch gatherings.

  • Total Time: 55 minutes
  • Yield: 8 servings 1x

Ingredients

Scale
  • 8 large croissants, cut into bite-sized pieces
  • 8 large eggs
  • 2 cups whole milk
  • 1 cup shredded cheddar cheese
  • 1 cup cooked and crumbled breakfast sausage
  • 1/2 cup diced bell pepper (any color)
  • 1/2 cup diced onion
  • 1 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon paprika
  • Fresh parsley, chopped (for garnish)

Instructions

  1. Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with cooking spray or butter.
  2. In a large mixing bowl, whisk together the eggs, whole milk, garlic powder, salt, black pepper, and paprika until well combined.
  3. Add the croissant pieces, cooked sausage, bell pepper, and onion to the egg mixture. Gently fold until the croissants are evenly coated.
  4. Pour the mixture into the prepared baking dish, spreading it out evenly. Sprinkle the shredded cheddar cheese on top.
  5. Cover the baking dish with plastic wrap and refrigerate overnight (or for at least 4 hours) to allow the croissants to soak up the egg mixture.
  6. In the morning, remove the casserole from the refrigerator and let it sit at room temperature for about 15 minutes.
  7. Bake uncovered in the preheated oven for 35-40 minutes, or until the casserole is set and the top is golden brown.
  8. Remove from the oven and let it cool for 5 minutes before slicing. Garnish with chopped parsley before serving.

Notes

Consider using day-old croissants for better texture. Feel free to customize the casserole with your favorite vegetables or meats.

  • Author: nevaeh-hall
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Carnivore

Nutrition

  • Serving Size: 1 slice
  • Calories: 450
  • Sugar: 4g
  • Sodium: 600mg
  • Fat: 25g
  • Saturated Fat: 10g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 38g
  • Fiber: 2g
  • Protein: 18g
  • Cholesterol: 350mg