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Delicious Blueberry Lemon French Toast Casserole Awaits You

Published: Aug 7, 2025 by Emma Saviani · This post may contain affiliate links ·

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As I stood in my kitchen on a lazy Sunday morning, the sweet aroma of blueberries and the tangy freshness of lemon wafted through the air, elevating my spirits. That’s when I decided to whip up a delicious Blueberry Lemon French Toast Casserole—a dish that not only makes breakfast feel extraordinarily special but also takes the hassle out of morning prep. This recipe is a fantastic crowd-pleaser, perfect for gathering friends and family, and it can be made ahead, allowing you to enjoy more time with your loved ones. Plus, with just 20 minutes of prep time, it's an effortless way to indulge without the guilt of fast food. Are you ready to bring a burst of flavor to your table? Let’s dive into this delightful recipe together!

Why is this casserole a must-try?

Crowd-Pleasing Delight: This Blueberry Lemon French Toast Casserole is a guaranteed hit at brunch gatherings, delighting both kids and adults alike.

Easy Prep: With just 20 minutes of prep work, you can get back to enjoying your leisurely mornings while it bakes to golden perfection.

Make-Ahead Magic: Simply prepare it the night before, making breakfast stress-free and allowing quality time with family.

Bright, Bold Flavors: The combination of sweet blueberries and zesty lemon uplifts your usual brunch fare, adding a fresh twist that's anything but ordinary.

Nutritional Benefits: Packed with protein and fiber, it's a balanced choice that keeps everyone satisfied without the urge to reach for fast food.

Experience the joy of homemade meals without sacrificing your valuable time—your weekend mornings deserve this!

Blueberry Lemon French Toast Casserole Ingredients

Get ready to gather your ingredients for this delightful dish!

For the Cream Cheese Mixture

  • Cream cheese – 8 oz – adds a rich and creamy base that elevates the casserole.
  • Powdered sugar – 1 cup – sweetens the cream cheese mixture perfectly.
  • Milk – 2 tablespoon – helps achieve a smooth consistency.
  • Vanilla extract – 1 tablespoon – infuses a warm, inviting flavor into the mix.

For the Casserole Base

  • Blueberries – 2 cups – provides a burst of juicy sweetness that brightens each bite.
  • French bread – 2 loaves, cubed – creates a fluffy and satisfying texture throughout the casserole.

For the Custard

  • Milk – 2 cups – binds the ingredients together and gives the casserole a creamy richness.
  • Eggs – 8 large – serve as the main protein source, helping the casserole set beautifully.
  • Cinnamon – 1 teaspoon – adds a warm spice note that complements the flavors beautifully.
  • Nutmeg – ½ teaspoon – contributes a subtle earthiness that enhances the overall taste.

Enjoy the process of bringing together these ingredients to create your own Blueberry Lemon French Toast Casserole masterpiece!

Step‑by‑Step Instructions for Blueberry Lemon French Toast Casserole

Step 1: Prepare the Cream Cheese Mixture
In a large mixing bowl, combine 8 oz of cream cheese, 1 cup of powdered sugar, 2 tablespoon of milk, and 1 tablespoon of vanilla extract. Using a hand mixer or a whisk, blend until the mixture is smooth and creamy, resembling a delightful frosting. Next, gently fold in 1 cup of blueberries, ensuring they’re well-coated and evenly distributed throughout the cream cheese.

Step 2: Layer the Bread
Grease a large baking dish with butter or non-stick spray to prevent sticking. Begin by layering half of the cubed French bread (from the 2 loaves) into the bottom of the dish, creating an even base for your Blueberry Lemon French Toast Casserole. Then, spread the cream cheese mixture evenly over the bread, allowing it to seep into the gaps before adding the remaining bread cubes on top, creating a nice stratification.

Step 3: Make the Custard Mixture
In a separate large bowl, crack 8 large eggs and whisk them together vigorously. Add 2 cups of milk, the remaining 1 tablespoon of vanilla extract, 1 teaspoon of cinnamon, and ½ teaspoon of nutmeg. Mix well until everything is combined, giving you a rich custard that will soak into the bread later, enhancing the casserole’s flavor and texture.

Step 4: Pour the Custard and Top with Blueberries
Carefully pour the custard mixture evenly over the layered bread in the baking dish, ensuring it saturates every piece of bread. Once you’ve done this, sprinkle the remaining 1 cup of blueberries on top, adding a burst of color and flavor right before baking. Then, cover the dish tightly with aluminum foil to keep all the delicious flavors inside while it chills.

Step 5: Refrigerate Overnight
Place your Blueberry Lemon French Toast Casserole in the refrigerator for at least 8 hours, or overnight if possible. This step allows the flavors to meld beautifully, giving the bread time to absorb the custard mixture. You’ll be greeted with a delightful aroma and a perfect batter the next morning—just imagine the excitement!

Step 6: Preheat Your Oven
The following morning, remove your casserole from the refrigerator. Let it sit at room temperature for about 15 minutes while you preheat your oven to 375°F (190°C). This helps ensure an even bake, allowing the casserole to rise and create that lovely golden brown crust we all crave.

Step 7: Bake Covered and Uncover for Crispiness
Carefully place your covered casserole in the preheated oven and bake for 45 minutes. After this initial baking time, remove the foil and continue to bake for another 30 minutes. The casserole should be golden brown and set in the center, with a delicious, inviting aroma wafting through your kitchen, signaling it’s almost time to indulge!

Expert Tips for Blueberry Lemon French Toast Casserole

Prep Ingredients First: Ensure all ingredients are at room temperature for better mixing, particularly the cream cheese, which can be challenging to blend if cold.

Cubes Matter: Cut the French bread into even cubes to ensure uniform soaking with the custard, avoiding dry or overly soggy pieces.

Refrigeration is Key: Letting the casserole rest in the refrigerator overnight allows the bread to soak up the flavors, ensuring a moist and flavorful Blueberry Lemon French Toast Casserole.

Avoid Overbaking: Keep an eye on the casserole towards the end of baking; if it browns too quickly, cover it loosely with foil to prevent burning.

Serving Suggestions: Pair with whipped cream or a dusting of powdered sugar for an extra touch of sweetness, enhancing the flavors beautifully!

Make Ahead Options

These Blueberry Lemon French Toast Casserole preparations are perfect for busy home cooks looking to streamline their morning routine! You can layer the casserole up to 24 hours in advance by following Steps 1 through 4, then cover it tightly and refrigerate overnight to allow the flavors to meld beautifully. To maintain quality, ensure the dish is wrapped well to prevent drying out. When you're ready to serve, simply let it sit at room temperature for about 15 minutes while preheating the oven to 375°F (190°C). Bake covered for 45 minutes, then uncover and bake for an additional 30 minutes until golden brown, ensuring you enjoy restaurant-quality results with minimal morning effort!

Blueberry Lemon French Toast Casserole Variations

Feel free to get creative and make this dish your own with these delightful twists!

  • Gluten-Free: Use gluten-free bread in place of traditional French bread for a gluten-free breakfast treat.
  • Vegan: Swap cream cheese for vegan cream cheese and replace eggs with a chia or flaxseed mixture. This can be a deliciously plant-based alternative!
  • Nutty Addition: Sprinkle chopped walnuts or almonds on top before baking for added crunch and flavor. They’ll provide a satisfying texture contrast in each bite!
  • Citrus Boost: Add the zest of one additional lemon to the cream cheese mixture to amplify that fresh lemony flavor. It makes every bite feel like summer!
  • Berry Medley: Replace some of the blueberries with raspberries or strawberries for a vibrant mixed-berry treat. The combination offers a delightful blend of sweetness and tartness.
  • Chocolate Lovers: Stir in some chocolate chips along with the blueberries for a decadent twist—who can resist a chocolatey morsel with their French toast?
  • Spice it Up: For those who enjoy a kick, add a pinch of cayenne pepper to the custard mixture. It’s a warm surprise that contrasts beautifully with the sweet notes.
  • Caramel Drizzle: Drizzle with caramel sauce before serving for an extra indulgent treat. It brings a touch of luxury to your brunch table!

As you explore these variations, don't hesitate to pair your casserole with sides like freshly whipped cream or a light salad for a well-rounded meal!

What to Serve with Blueberry Lemon French Toast Casserole

Looking to elevate your breakfast experience? Here are some delightful pairings that will create a meal to remember.

  • Crispy Bacon: The savory crunch of crispy bacon adds a satisfying contrast to the sweetness of the casserole, bringing balance to your brunch table.

  • Fresh Fruit Salad: Bright and refreshing, a medley of seasonal fruits complements the dish perfectly and introduces a burst of color. Strawberries, kiwi, and orange slices work wonderfully.

  • Maple Syrup: A drizzle of warm, rich maple syrup enhances the flavors, adding a touch of sweetness that harmonizes beautifully with the blueberries.

  • Whipped Cream: Light and airy, whipped cream provides a delightful finish to each slice, making every bite a bit more indulgent while contrasting with the casserole’s warmth.

  • Greek Yogurt Parfait: Serve a small bowl of Greek yogurt topped with honey and granola. It not only adds protein and creaminess but also introduces a crunchy texture that contrasts nicely with the soft casserole.

  • Chilled Juice: A glass of freshly squeezed orange juice or a tart lemon-infused drink uplifts the meal with its brightness, perfectly pairing with the flavors of the casserole.

  • Coffee or Tea: A warm cup of rich coffee or herbal tea perfectly complements the dish, providing warmth and enhancing the homey brunch vibe.

Creating a memorable meal is all about balance—these pairings will not only enhance your Blueberry Lemon French Toast Casserole but also bring a delightful variety to your breakfast spread.

How to Store and Freeze Blueberry Lemon French Toast Casserole

Fridge: Store any leftovers covered in an airtight container in the fridge for up to 3 days. This will keep the casserole fresh and delicious for your next breakfast or brunch!

Freezer: You can also freeze the unbaked casserole! Just wrap it tightly in plastic wrap or aluminum foil, then place it in a freezer-safe bag. It’ll stay good for up to 2 months.

Reheating: To reheat, thaw in the refrigerator overnight if frozen. Bake at 350°F (175°C) until heated through, about 20-25 minutes for leftovers or 40-45 minutes from frozen.

Leftover Tips: Consider enjoying a slice cold or reheated for a quick breakfast treat; it can be just as delightful!

Blueberry Lemon French Toast Casserole Recipe FAQs

How do I know if my blueberries are ripe?
Absolutely! Look for plump, firm blueberries that are a deep blue color. They should be free from dark spots and have a slight shine to them. If they’re still green or have a dull appearance, they may not be ripe yet. Choose the ones that feel slightly soft to the touch but not mushy—perfect for this fabulous Blueberry Lemon French Toast Casserole!

How should I store leftovers of the casserole?
For sure! Once the deliciousness is over, cover any leftover Blueberry Lemon French Toast Casserole with plastic wrap or transfer it to an airtight container. Store it in the fridge for up to 3 days for maximum freshness. Just reheat in the oven at 350°F for about 20 minutes or until warmed through, and you’re ready to enjoy a tasty second round!

Can I freeze the casserole, and how?
Yes, indeed! You can freeze the unbaked casserole for later enjoyment. First, wrap it tightly in plastic wrap followed by aluminum foil to prevent freezer burn. Then, pop it into a freezer-safe bag for added protection. It can last up to 2 months in the freezer! When you're ready to bake, simply thaw it in the fridge overnight, and then bake as instructed for that fresh-baked goodness.

What if my casserole turns out too soggy?
Very important! If you find your Blueberry Lemon French Toast Casserole is overly soggy, it might be due to the bread absorbing too much custard or the bread being too fresh. For next time, try using day-old bread or slightly toasting the cubed bread before layering it in the dish. This will help to form a crust that can hold up better and absorb just the right amount of custard.

Is this casserole suitable for people with egg allergies?
That’s a great question! Unfortunately, this recipe relies on eggs for structure and texture, which means it’s not suitable for those with egg allergies. However, you can experiment with egg substitutes! For each egg, consider using ¼ cup of unsweetened applesauce or a mixture of 1 tablespoon of ground flaxseed and 2.5 tablespoons of water, allowing it to sit until thickened before mixing—this might help create a similar texture for a modified version of the casserole.

Can I add other fruits to the casserole?
The more the merrier! You could definitely customize your Blueberry Lemon French Toast Casserole by adding in your favorite fruits. Strawberries, raspberries, or even diced peaches would all complement the flavors beautifully. Just be sure to adjust the quantity so it doesn't overwhelm the dish—about 1-2 cups mixed should do the trick!

Blueberry Lemon French Toast Casserole

Delicious Blueberry Lemon French Toast Casserole Awaits You

Enjoy this Blueberry Lemon French Toast Casserole, a delightful breakfast that brings family and friends together.
Print Pin Rate
Course: Breakfast & Brunch
Cuisine: American
Keyword: Blueberry, breakfast, Brunch, Casserole, French Toast, lemon
Prep Time: 20 minutes minutes
Cook Time: 1 hour hour 15 minutes minutes
Refrigeration Time: 8 hours hours
Total Time: 9 hours hours 35 minutes minutes
Servings: 8 slices
Calories: 350kcal

Equipment

  • large mixing bowl
  • Baking dish
  • hand mixer
  • Whisk

Ingredients

For the Cream Cheese Mixture

  • 8 oz cream cheese adds a rich and creamy base
  • 1 cup powdered sugar sweetens the cream cheese mixture
  • 2 tablespoon milk helps achieve a smooth consistency
  • 1 tablespoon vanilla extract infuses a warm flavor

For the Casserole Base

  • 2 cups blueberries provides a burst of juicy sweetness
  • 2 loaves French bread, cubed creates a fluffy texture

For the Custard

  • 2 cups milk binds the ingredients together
  • 8 large eggs main protein source
  • 1 teaspoon cinnamon adds a warm spice note
  • ½ teaspoon nutmeg contributes a subtle earthiness

Instructions

Step-by-Step Instructions

  • In a large mixing bowl, combine 8 oz of cream cheese, 1 cup of powdered sugar, 2 tablespoon of milk, and 1 tablespoon of vanilla extract. Blend until smooth and creamy. Fold in 1 cup of blueberries.
  • Grease a baking dish and layer half of the cubed French bread into the dish. Spread the cream cheese mixture evenly over the bread, then add the remaining bread cubes on top.
  • In a separate bowl, whisk 8 large eggs. Add 2 cups of milk, 1 tablespoon of vanilla extract, 1 teaspoon of cinnamon, and ½ teaspoon of nutmeg. Mix well until combined.
  • Pour the custard mixture over the layered bread and sprinkle with 1 cup of blueberries. Cover with foil and refrigerate for at least 8 hours.
  • Remove the casserole from the refrigerator, let it sit for 15 minutes, and preheat your oven to 375°F (190°C).
  • Bake covered for 45 minutes, then uncover and bake for another 30 minutes until golden brown.

Notes

Letting the casserole rest in the refrigerator overnight allows the bread to soak up the flavors, ensuring a moist and flavorful dish.

Nutrition

Serving: 1slice | Calories: 350kcal | Carbohydrates: 40g | Protein: 10g | Fat: 15g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Cholesterol: 180mg | Sodium: 300mg | Potassium: 250mg | Fiber: 2g | Sugar: 15g | Vitamin A: 500IU | Vitamin C: 5mg | Calcium: 200mg | Iron: 1mg

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Ellie Monroe

I’m Ellie, a 54-year-old home cook who believes the best recipes come from the heart. At Heavenly Recipe, I share comforting classics, sweet treats, and simple meals that anyone can make, just like the ones passed down through my family.

More about me

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