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–+ servings
Croissant Breakfast Casserole

Irresistible Croissant Breakfast Casserole for Cozy Mornings

This Croissant Breakfast Casserole combines flaky croissants, smoky Gouda, and crispy bacon for an easy, crowd-pleasing dish perfect for brunch.
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Prep Time 20 minutes
Cook Time 1 hour
Soaking Time 15 minutes
Total Time 1 hour 35 minutes
Servings: 8 slices
Course: Breakfast
Cuisine: American
Calories: 400
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Base
  • 6 croissants Croissants Flaky base texture
  • 8 oz Bacon Crispy and smoky flavor
For the Filling
  • 1 medium Onion Any variety can be used
  • 1 tbsp Fresh Rosemary Can substitute with thyme
  • 8 oz Smoked Gouda Cheese Creamy and smoky
For the Custard
  • 6 large Large Eggs Primary binding ingredient
  • 2 cups Half & Half Adds richness
  • 1 tbsp Dijon Mustard For tangy flavor

Equipment

  • 9 x 13-inch baking dish
  • skillet
  • Mixing bowl

Method
 

Step-by-Step Instructions for Croissant Breakfast Casserole
  1. Preheat your oven to 350°F (175°C) and grease a 9 x 13-inch baking dish with butter.
  2. Tear the croissants into 4-6 large chunks and distribute them evenly in the baking dish.
  3. Sauté chopped bacon in a skillet over medium heat until crispy, then add diced onion and rosemary.
  4. Distribute the bacon and onion mixture over the croissants and sprinkle Gouda cheese on top.
  5. Whisk together eggs, half & half, Dijon mustard, salt, and pepper until smooth.
  6. Pour the egg mixture evenly over the casserole and let it soak for at least 15 minutes.
  7. Bake the casserole for 50-60 minutes until puffed and golden-brown, checking for doneness.
  8. Let the casserole cool for 5 minutes before slicing and serving warm.

Nutrition

Serving: 1sliceCalories: 400kcalCarbohydrates: 30gProtein: 20gFat: 25gSaturated Fat: 10gPolyunsaturated Fat: 5gMonounsaturated Fat: 10gCholesterol: 200mgSodium: 600mgPotassium: 300mgFiber: 2gSugar: 3gVitamin A: 500IUVitamin C: 1mgCalcium: 200mgIron: 2mg

Notes

Customize your casserole with different vegetables or cheese for unique flavors. Can be prepared in advance for convenience.

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