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Delicious overnight croissant breakfast casserole topped with cheese and herbs.

Overnight Croissant Breakfast Casserole

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A delightful breakfast casserole combining buttery croissants, eggs, and cheese, perfect for busy mornings or family brunches.

  • Total Time: 900 minutes
  • Yield: 8 servings 1x

Ingredients

Scale
  • 6 croissants, torn into pieces
  • 6 large eggs
  • 2 cups milk
  • 1 cup shredded cheese (e.g., cheddar or Swiss)
  • 1/2 cup diced ham or cooked sausage (optional)
  • 1/4 cup chopped green onions
  • Salt and pepper to taste
  • 1/4 teaspoon ground nutmeg (optional)

Instructions

  1. In a large bowl, whisk together the eggs, milk, salt, pepper, and nutmeg.
  2. Grease a baking dish and layer the torn croissant pieces evenly.
  3. If using, sprinkle the ham or sausage over the croissants, followed by the cheese and green onions.
  4. Pour the egg mixture over the top, ensuring all croissant pieces are soaked.
  5. Cover with plastic wrap and refrigerate overnight.
  6. Preheat the oven to 350°F (175°C) the next morning.
  7. Remove the casserole from the fridge and let it sit at room temperature for about 20 minutes.
  8. Bake for 30-35 minutes or until the top is golden brown and edges are slightly crispy.
  9. Let it cool for a few minutes, then slice and serve warm.

Notes

Use day-old croissants for best texture; feel free to add vegetables or customize cheese. Can be made gluten-free with gluten-free croissants.

  • Author: dailyciousrecipes
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: French
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 serving
  • Calories: 350
  • Sugar: 5g
  • Sodium: 400mg
  • Fat: 20g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 2g
  • Protein: 15g
  • Cholesterol: 180mg