Jump to Recipe Print RecipeThe first light of dawn creeps in, greeted by the tantalizing scent of warm bread inviting you to rise and shine. If you’re on the lookout for a crowd-pleasing dish that effortlessly transforms breakfast or brunch, let me introduce you to the delightful Croissant Breakfast Casserole. This delectable bake combines the flaky layers of buttery croissants with creamy, fluffy eggs and savory ham, making it a hearty way to start your day. The best part? You can whip it up the night before, giving you the freedom to enjoy your morning coffee while your casserole bakes to perfection. Whether you’re feeding a hungry crowd or treating yourself to a cozy meal, this recipe is bound to impress. What special twist will you add to make it your own? Why is this casserole a breakfast dream? Easy Prep: This Croissant Breakfast Casserole can be made ahead of time, freeing you to relax and enjoy your morning. Crowd-Pleasing: Perfect for brunch gatherings, it’s sure to impress family and friends alike. Flavorful Layers: The buttery croissants soaked in egg mixture create a rich, comforting texture. Versatile Ingredients: Feel free to substitute vegetables for a delightful vegetarian option—perhaps Breakfast Granola Cups on the side? Perfect for Leftovers: Enjoy it for days as this casserole stays fresh in the fridge. Indulge in this delicious make-ahead dish for cozy mornings! Croissant Breakfast Casserole Ingredients For the Casserole • Croissants – Provide a flaky base; substitute with any flaky pastry or day-old bread for texture variation. • Eggs – Create the custardy structure; no direct substitutes recommended unless using egg replacements for allergies. • Whole Milk – Adds creaminess; use half-and-half for a richer flavor or dairy-free milk for a lighter option. • Shredded Cheddar Cheese – For a gooey texture; substitute with any melty cheese, like Monterey Jack, for a different twist. • Diced Cooked Ham – Introduces savory protein; can be omitted or replaced with sautéed spinach or mushrooms for a vegetarian Croissant Breakfast Casserole. • Diced Bell Peppers – Adds color and sweetness; substitute with any color bell pepper or other vegetables, such as zucchini. • Garlic Powder – Enhances flavor; fresh minced garlic can be used for a more robust taste. • Onion Powder – Complements the dish; fresh minced onion is a great alternative. • Salt & Pepper – For seasoning; adjust to taste based on preference. • Fresh Parsley – Adds freshness; no substitute needed, but can be omitted for simplicity. For Serving • Fresh Fruit – Pairs beautifully with the casserole for a balanced breakfast experience; consider berries or citrus for a refreshing touch. • Light Salad – A crisp salad can complement the rich casserole; use greens like arugula or spinach for a vibrant mix. • Crispy Bacon – Optional, but a delicious addition; opt for turkey bacon for a lighter option. Step‑by‑Step Instructions for Croissant Breakfast Casserole Step 1: Preheat the Oven Begin by preheating your oven to 350°F (175°C). While it heats, grease a 9×13-inch baking dish with cooking spray or butter to prevent sticking. A well-greased dish will help give your Croissant Breakfast Casserole a beautiful, golden-brown exterior, ensuring a delightful texture when baked. Step 2: Whisk the Egg Mixture In a large mixing bowl, whisk together the eggs, whole milk, garlic powder, onion powder, salt, and pepper until you achieve a light, fluffy consistency. This should take about 1-2 minutes. The goal is to combine all ingredients smoothly and create a rich custard base that will soak into the croissant pieces beautifully. Step 3: Prepare the Croissants Tear the croissants into bite-sized pieces and gently fold them into the egg mixture. Ensure each piece is abundantly coated; this will allow the croissants to absorb the custard, resulting in a moist and flavorful Croissant Breakfast Casserole. Let this mixture sit for a few minutes while you prepare the additional ingredients. Step 4: Add the Savory Ingredients Once the croissants are well-coated, mix in the diced cooked ham, bell peppers, and half of the shredded cheddar cheese. The savory ham and colorful bell peppers add flavor and texture, making this casserole not only delicious but visually appealing as well. Stir gently to combine without breaking the croissant pieces. Step 5: Transfer to Baking Dish Carefully pour the croissant mixture into the prepared baking dish, spreading it evenly with a spatula. Make sure all the ingredients are distributed well, as this will ensure each bite of your Croissant Breakfast Casserole is packed with flavor. The mixture should fill the dish to about ¾ full, leaving space for expansion as it bakes. Step 6: Add Cheese Topping Sprinkle the remaining shredded cheddar cheese evenly over the top of the casserole. This will create a wonderfully cheesy crust. As it bakes, the cheese will melt and turn a lovely golden brown, contrasting perfectly with the soft croissant base underneath. Step 7: Bake to Perfection Place the baking dish in the preheated oven and bake for 30-35 minutes. You’ll know it’s ready when the center sets and the top is a beautiful golden brown. Keeping an eye on it in the last few minutes will prevent overbaking, ensuring the casserole remains soft and flavorful. Step 8: Cool and Serve Once baked, remove the casserole from the oven and let it cool for 5-10 minutes. This cooling time allows it to firm up slightly, making slicing easier. Garnish with freshly chopped parsley for a touch of color and serve warm. Your Croissant Breakfast Casserole is now ready to impress family and friends! Storage Tips for Croissant Breakfast Casserole Fridge: Store any leftovers in an airtight container for up to 3 days to keep your delicious Croissant Breakfast Casserole fresh and tasty. Freezer: If you want to enjoy it later, wrap the casserole tightly in plastic wrap and aluminum foil before freezing. It can be frozen for up to 2 months. Thawing: When ready to enjoy, thaw in the refrigerator overnight. You can then reheat individual portions in the microwave or bake it in the oven at 350°F (175°C) until warmed through. Reheating: For best texture, reheat in the oven for 15-20 minutes. This will help restore that wonderful golden crust! Make Ahead Options These Croissant Breakfast Casserole are perfect for busy mornings! You can assemble the casserole up to 24 hours in advance, allowing the croissants to soak up the flavors overnight in the refrigerator. Simply prepare the casserole as instructed, cover it tightly with foil or plastic wrap, and refrigerate. When you’re ready to bake, remove it from the fridge and let it sit at room temperature for about 15 minutes before placing it in the preheated oven; add an extra 10-15 minutes to the baking time to ensure it cooks evenly. This prep-ahead strategy means you can serve a warm, delicious breakfast without the morning rush, giving you more time to savor those precious moments with loved ones! What to Serve with Croissant Breakfast Casserole Elevate your brunch experience by pairing your warm, gooey casserole with delightful sides that complement its rich flavors. Fresh Fruit Salad: A vibrant mix of berries, melons, and citrus adds a refreshing contrast to the casserole’s richness. The brightness of the fruit cuts through the heaviness, creating a well-rounded meal. Crispy Bacon: Traditional yet satisfying, crispy bacon brings a savory crunch that harmonizes with the creamy and fluffy texture of the casserole. For a lighter option, turkey bacon is a delicious alternative. Light Green Salad: A simple salad of arugula and cherry tomatoes drizzled with a zingy lemon vinaigrette offers a crisp, refreshing bite. It balances the indulgent flavors of the casserole perfectly, making each mouthful more enjoyable. Herbed Yogurt Sauce: A dollop of tangy yogurt seasoned with fresh herbs like dill or parsley adds a cool contrast. This creamy topping enhances the overall flavor without overwhelming the dish. Chilled Juice or Sparkling Water: Refreshing beverages like freshly squeezed orange juice or sparkling water serve as delightful palate cleansers. Their effervescence can rejuvenate the senses between bites of the sumptuous casserole. Mini Breakfast Muffins: Serve alongside sweet or savory mini muffins for a fun, bite-sized side. Their fluffy texture and added flavor can provide a delightful variation to the breakfast spread. Copper Potatoes: Roasted, crispy, and seasoned with herbs, these potatoes add a hearty element that perfectly complements the lightness of the casserole. Their crunch offers a satisfying contrast to the softness of the dish. Sweet Baked Cinnamon Apples: A warm, sweet side dish like baked cinnamon apples brings an inviting aroma and flavor profile that ties the whole meal together. The sweetness contrasts beautifully with the savory casserole. Expert Tips for Croissant Breakfast Casserole • Prep Ahead: Prepare the casserole the night before to save time in the morning; just add 10-15 extra minutes to the baking time if it’s cold from the fridge. • Tear Evenly: Make sure to tear the croissants into uniform pieces for consistent soaking in the egg mixture, which ensures a moist and flavorful Croissant Breakfast Casserole. • Monitor Baking: Keep a close eye on your casserole in the last few minutes of baking. Look for a set center and a golden-brown top to avoid overcooking. • Customize Ingredients: Feel free to swap ingredients based on preference or dietary needs; try adding sautéed spinach for a veggie-packed version or different cheeses for a unique flavor twist. • Rest Before Serving: Allow the casserole to cool for 5-10 minutes after baking; this resting period helps with slicing and enhances the textures. Croissant Breakfast Casserole Variations Feel free to get creative with this Croissant Breakfast Casserole, bringing new flavors and textures into the mix! Vegetarian Delight: Omit the ham and add sautéed spinach, mushrooms, or diced tomatoes for a vibrant, meat-free option. The earthiness of mushrooms combined with the creaminess of the eggs creates a delightful depth. Cheese Swap: Try substituting cheddar with goat cheese or feta for a tangy twist. The unique flavors of these cheeses will elevate your casserole and add gourmet flair. Gluten-Free: Use gluten-free bread or pastry instead of croissants for a gluten-friendly version. Don’t worry; it will still deliver that cozy, satisfying texture everyone loves. Extra Veggies: Add diced zucchini, broccoli, or even kale to boost nutrients and flavor. This variation not only adds color but also a fresh crunch that’s delightful. Spicy Kick: Mix in diced jalapeños or a splash of hot sauce for those who love a little heat in the morning. The spiciness pairs beautifully with the rich, creamy base. Sausage Swap: Replace ham with your choice of cooked sausage for a different flavor profile. The savory, juicy sausage will add heartiness and satisfaction. Sweet & Savory: Add slices of ripe tomatoes or a hint of sun-dried tomatoes for a sweet twist that complements the savory flavors beautifully. This contrast can surprise and delight your taste buds. For a delightful side, consider pairing your casserole with Breakfast Granola Cups or some fresh fruit to round out your brunch! The possibilities are as endless as your imagination! Croissant Breakfast Casserole Recipe FAQs What type of croissants should I use? Using fresh croissants is ideal, as they provide that soft, flaky texture we all love. If you have day-old croissants, they work perfectly too, as they soak up the egg mixture nicely. If you’re in a pinch, you can substitute any flaky pastry or even day-old bread to maintain a similar texture. How should I store leftovers of the Croissant Breakfast Casserole? Absolutely! To keep your Croissant Breakfast Casserole fresh, store any leftovers in an airtight container in the refrigerator for up to 3 days. This will help maintain its delicious flavor and texture. For longer storage, feel free to wrap it tightly in plastic wrap and then aluminum foil, and it can be frozen for up to 2 months! Can I freeze the Croissant Breakfast Casserole? Yes, indeed! To freeze your Croissant Breakfast Casserole, first let it cool completely after baking. Then, wrap it tightly in plastic wrap and aluminum foil to avoid freezer burn. When you’re ready to enjoy it, move the casserole to the refrigerator to thaw overnight. Reheat in the oven at 350°F (175°C) for about 15-20 minutes until warmed through and the crust is nice and golden again. What should I do if my casserole isn’t set in the middle after baking? Very! If you find your casserole isn’t set in the middle after the suggested baking time, don’t worry! Simply return it to the oven and bake for an additional 5 to 10 minutes. Check every few minutes—you’re looking for a firm center and a golden-brown top. If it still feels too soft, it might need a few more minutes, so keep an eye on it! Are there any dietary considerations for the Croissant Breakfast Casserole? Certainly! This recipe can easily be adjusted for various dietary needs. For a vegetarian option, simply omit the diced ham and add extra veggies like sautéed spinach or mushrooms. If someone has egg allergies, you can experiment with egg substitutes; however, the texture will differ slightly. It’s a flexible dish that welcomes customization, so feel free to make it your own! Indulge in Croissant Breakfast Casserole for Cozy Mornings This Croissant Breakfast Casserole combines flaky croissants, creamy eggs, and savory ham for a delicious breakfast dish. Print Recipe Pin Recipe Prep Time 15 minutes minsCook Time 35 minutes minsCooling Time 10 minutes minsTotal Time 1 hour hr Servings: 8 servingsCourse: BreakfastCuisine: FrenchCalories: 320 Ingredients Equipment Method Nutrition Notes Ingredients 1x2x3x? For the Casserole6 pieces Croissants substitute with any flaky pastry or day-old bread8 large Eggs no direct substitutes recommended2 cups Whole Milk use half-and-half for a richer flavor2 cups Shredded Cheddar Cheese substitute with any melty cheese like Monterey Jack2 cups Diced Cooked Ham can be omitted or replaced with sautéed spinach or mushrooms1 cup Diced Bell Peppers substitute with any color bell pepper or zucchini1 teaspoon Garlic Powder fresh minced garlic can be used1 teaspoon Onion Powder fresh minced onion is a great alternativeto taste Saltto taste Pepper1/4 cup Fresh Parsley can be omitted for simplicityFor Serving2 cups Fresh Fruit consider berries or citrus2 cups Light Salad use greens like arugula or spinach6 slices Crispy Bacon opt for turkey bacon for a lighter option Equipment 9x13-inch baking dishMixing BowlwhiskSpatula Method Step‑by‑Step InstructionsPreheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.Whisk together the eggs, whole milk, garlic powder, onion powder, salt, and pepper until light and fluffy.Tear the croissants into bite-sized pieces and fold them into the egg mixture.Mix in the diced cooked ham, bell peppers, and half of the shredded cheddar cheese.Pour the mixture into the prepared baking dish, spreading it evenly.Sprinkle the remaining shredded cheddar cheese over the top.Bake for 30-35 minutes until the center sets and the top is golden brown.Let it cool for 5-10 minutes, garnish with parsley, and serve warm. Nutrition Serving: 1sliceCalories: 320kcalCarbohydrates: 25gProtein: 15gFat: 18gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 4gCholesterol: 220mgSodium: 550mgPotassium: 300mgFiber: 1gSugar: 2gVitamin A: 500IUVitamin C: 10mgCalcium: 250mgIron: 2mg NotesPrepare the casserole the night before; just add 10-15 extra minutes to the baking time if chilled from the fridge. Tried this recipe?Let us know how it was!