Easy Croissant Bake Breakfast Casserole

Easy Croissant Bake Breakfast Casserole for Holiday Brunches

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Impress your guests with a delectable breakfast casserole that combines the flakiness of croissants with the savory goodness of eggs, cheese, and deli meat. Perfect for holiday brunches or lazy weekend mornings, this Easy Croissant Bake Breakfast Casserole is simple to make and bursting with flavor. Whether you’re feeding a crowd or treating your family to a special breakfast, this dish is sure to be a hit. Let’s dive into the recipe and make your brunch dreams come true!


  • Meat:
    • 10 slices Deli meat
  • Produce:
    • 1/2 tbsp Herbs, fresh
    • 1 tbsp Rosemary, fresh
  • Refrigerated:
    • 3 Eggs, large
  • Condiments:
    • 1/2 cup Honey
  • Baking & Spices:
    • 1 tsp Garlic salt
    • 1 tsp Pepper
    • 1 tsp Salt
  • Dairy:
    • 1/2 cup Butter
    • 1/2 cup Heavy cream or milk
    • 8 slices Swiss cheese
  • Other:
    • 6-8 croissants (cut into halves or thirds)
    • 1/4 cup Mozzarella


  1. Preheat the Oven: Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish with butter or non-stick cooking spray.
  2. Prepare the Croissants: Cut the croissants into halves or thirds, depending on their size, and arrange them in the prepared baking dish.
  3. Layer the Ingredients: Place the deli meat slices evenly over the croissants in the baking dish. Sprinkle fresh herbs and rosemary on top.
  4. Whisk the Egg Mixture: In a mixing bowl, whisk together the eggs, heavy cream or milk, garlic salt, pepper, and salt until well combined.
  5. Pour the Egg Mixture: Pour the egg mixture evenly over the croissants and deli meat in the baking dish.
  6. Add Cheese: Place slices of Swiss cheese on top of the egg mixture, ensuring even coverage.
  7. Drizzle with Honey: Drizzle honey over the top of the casserole for a touch of sweetness.
  8. Sprinkle with Mozzarella: Sprinkle shredded mozzarella cheese over the entire casserole for an extra cheesy finish.
  9. Bake: Transfer the baking dish to the preheated oven and bake for 25-30 minutes, or until the eggs are set and the cheese is golden brown and bubbly.
  10. Serve: Once baked, remove the casserole from the oven and let it cool slightly. Slice into squares or rectangles and serve warm.

Cook Notes and Variations

  • Customize with Fillings: Feel free to customize this breakfast casserole with your favorite fillings, such as cooked bacon, sausage, diced vegetables, or different types of cheese.
  • Make it Ahead: You can prepare this croissant bake breakfast casserole the night before and refrigerate it overnight. Simply follow the instructions up to step 7, cover the baking dish with plastic wrap, and refrigerate. In the morning, remove the casserole from the refrigerator while you preheat the oven, then bake as directed.
  • Gluten-Free Option: For a gluten-free version, use gluten-free croissants or substitute with gluten-free bread slices.

Keto and Low-Carb Versions

  • Keto Version: To make this breakfast casserole keto-friendly, omit the honey and use low-carb substitutes such as erythritol or monk fruit sweetener. Replace the croissants with keto-friendly bread or almond flour biscuits.
  • Low-Carb Version: Reduce the number of croissants used in the recipe or substitute with low-carb bread to reduce the overall carb content. Use heavy cream instead of milk for a creamier texture without the extra carbs.

Frequently Asked Questions (FAQs)

Q: Can I use other types of cheese? A: Yes, feel free to experiment with different cheeses based on your preference. Cheddar, Gruyere, or Monterey Jack would also work well in this recipe.

Q: Can I add vegetables to the casserole? A: Absolutely! Diced bell peppers, onions, spinach, or mushrooms would make tasty additions to this breakfast casserole.

Q: How do I store leftovers? A: Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. Reheat individual servings in the microwave or oven until warmed through.

Q: Can I freeze this casserole? A: Yes, you can freeze this breakfast casserole for future enjoyment. Wrap individual portions tightly in plastic wrap or aluminum foil, then place them in a freezer-safe bag or container. Thaw overnight in the refrigerator before reheating.

Q: Can I make this vegetarian? A: Absolutely! Simply omit the deli meat and add extra vegetables or vegetarian protein alternatives such as tofu or tempeh.

Elevate your holiday brunches with this Easy Croissant Bake Breakfast Casserole that combines the buttery goodness of croissants with a creamy, cheesy filling. Whether you’re celebrating with family or hosting a festive gathering, this simple yet indulgent dish is sure to delight everyone around the table. With its versatility and crowd-pleasing flavor, this breakfast casserole is bound to become a staple in your recipe collection. So gather your ingredients and get ready to savor the comforting flavors of this irresistible croissant bake!

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