Name: French Toast Strawberry Casserole Recipe
Prep time: 20 min
Cook time: 55 min
Total time: 2 h 15 min
Cuisine: American
Ingredients: 1 1/2 Cups Whole Milk; ½ Cup Heavy Cream (can substitute whole milk or half-and-half); 6 large Eggs; 3 TBS Light Brown Sugar; 2 TBS Unsalted Butter (melted and cooled, plus more for greasing pan); 1 tsp Ground Cinnamon; ½ tsp Vanilla Extract; ½ tsp Strawberry Extract; Kosher Salt to taste (about ¼ tsp); 1 loaf Brioche Bread (cut into 3/4’’ thick slices; can substitute challah); 2 Cups Strawberries (hulled and sliced, divided); 1/3 Cup Walnuts (roughly chopped); 5 ½ TBS All Purpose Flour; 3 TBS Light Brown Sugar (packed); 1 ½ TBS Granulated Sugar; 2 ½ TBS Unsalted Butter (melted)

Jump to Recipe· 4.1 from 8 reviews

I absolutely love starting my mornings with something comforting and a little bit indulgent, which is exactly why this French Toast Strawberry Casserole Recipe holds a special place in my heart. It’s the perfect blend of tender brioche soaked in a fragrant custard, layered with juicy strawberries, and topped with a crunchy walnut streusel that bakes into golden perfection. Once you make it, you’ll see why this dish is my go-to for weekend brunches, holiday mornings, or whenever I want to treat myself and my loved ones to something truly delicious and memorable.

Why You’ll Love This French Toast Strawberry Casserole Recipe

To me, the flavor profile of this casserole is simply outstanding. The combination of warm cinnamon, subtle vanilla and strawberry extracts, and that rich custard soaking into fluffy brioche bread creates a harmony that’s both comforting and exciting to the palate. Then you have fresh strawberries nestled in between every bite, adding bursts of natural sweetness and a beautiful pop of color throughout the dish. It’s balanced perfectly with the crunchy walnut streusel topping, which adds just the right amount of texture and nutty flavor to make each mouthful delightfully complex.

One of the reasons I keep coming back to this French Toast Strawberry Casserole Recipe is how straightforward it is to prepare despite feeling like a fancy brunch offering. The soaking step, which can be done ahead of time, means the hard work is mostly done upfront, and the oven does the rest. It’s brilliant for entertaining guests or easing weekend mornings when you want to impress without stressing. I find it perfect not only for holidays and special occasions but also for making any morning feel a little more special and decadent.

Ingredients You’ll Need

A wooden board on the right holds a round braided bread with a shiny golden brown crust, partially sliced to show the soft, pale yellow inside. To the left of the board, on a white marbled surface, there are several items arranged: a glass bottle filled with white milk, a smaller glass bottle with dark syrup, a small glass bowl filled with bright red strawberries with green tops, a glass bowl holding a creamy caramel-colored liquid, a tiny dish containing a small amount of honey, and a white bowl with two round beige colored balls of brown sugar. Near the bottom right corner, four white eggs rest on a soft pink cloth. The whole scene is bright and softly lit. photo taken with an iphone --ar 4:5 --v 7

This recipe uses a handful of simple, wholesome ingredients that come together to create an irresistible texture and flavor. Each plays a vital role, from the creamy custard base to the fresh strawberries and crunchy topping that perfectly complement each other.

Whole Milk (1 1/2 Cups): The base for the custard, adding richness and creaminess that brings everything together.
Heavy Cream (½ Cup): Adds extra decadence and a velvety texture to the custard. You can substitute with whole milk or half-and-half if preferred.
Large Eggs (6): Essential for binding and creating that custardy soak in the bread.
Light Brown Sugar (3 Tablespoons): Adds subtle caramel notes and sweetness to the custard.
Unsalted Butter (2 Tablespoons melted, plus more for greasing): Imparts a lovely buttery flavor and helps create a tender crust.
Ground Cinnamon (1 teaspoon): Gives warmth and depth to the custard’s flavor profile.
Vanilla Extract (½ teaspoon) and Strawberry Extract (½ teaspoon): These extracts are the secret to making the custard taste bright and fruity without overpowering the fresh strawberries.
Kosher Salt (to taste): A little salt amplifies all the sweetness and flavors beautifully.
Brioche Bread (1 loaf, sliced ¾ inch thick): I love brioche here for its airy and buttery texture; challah can work too.
Strawberries (2 cups, hulled and sliced): Divided for layering inside the casserole and for a fresh topping.
Walnuts (1/3 cup, roughly chopped): Provide a satisfying crunch in the streusel topping.
All Purpose Flour (5 ½ tablespoons): The base of the walnut streusel, helping it hold together in clumps.
Light Brown Sugar (3 tablespoons, packed): Sweetens the streusel while complementing the toasted walnuts.
Granulated Sugar (1 ½ tablespoons): Helps balance sweetness and adds a slight crispiness to the topping.
Unsalted Butter (2 ½ tablespoons melted): Binds the streusel ingredients and crisps up during baking.

Directions

Step 1: Lightly grease a 9×13-inch baking dish with non-stick cooking spray or butter to ensure your casserole won’t stick after baking. Set this aside while you prepare the other ingredients.

Step 2: In a large bowl or shallow dish, whisk together the whole milk, heavy cream, eggs, light brown sugar, melted butter, ground cinnamon, vanilla extract, strawberry extract, and ¼ teaspoon kosher salt until fully combined. This mixture is your flavorful custard base that will soak the bread perfectly.

Step 3: Dip each brioche slice into the custard mixture, making sure to turn it over and coat completely but not so long that it becomes soggy or falls apart. The bread should be well soaked but still hold its shape.

Step 4: Arrange the soaked bread slices vertically in two overlapping rows, standing upright in the greased baking dish. Once the bread is arranged, pour any remaining custard evenly over the top to fill in the gaps.

Step 5: Tuck half of the sliced strawberries in between the bread slices and sprinkle the remaining half evenly over the top of the bread. Cover the casserole tightly with plastic wrap and refrigerate for at least 1 hour to let the custard soak in fully. For sturdier bread like sourdough, I recommend refrigerating for at least 2 hours or even overnight for the best texture.

Step 6: While the casserole soaks, prepare the walnut streusel topping. In a medium bowl, whisk together the chopped walnuts, all purpose flour, light brown sugar, granulated sugar, and ¼ teaspoon kosher salt. Drizzle the melted butter over the dry ingredients and stir with a fork until a mix of small and larger crumbly clusters form. Cover with plastic wrap and set aside until baking time.

Step 7: When ready to bake, remove the casserole from the fridge and let it rest at room temperature while you preheat your oven to 375°F (190°C). This helps the casserole bake more evenly.

Step 8: Sprinkle the walnut streusel topping evenly over the casserole’s surface, covering it generously for the perfect crunchy contrast after baking.

Step 9: Place the casserole in the oven and bake for 55 to 60 minutes until puffed and golden on top. If you notice the top browning too quickly, tent the dish loosely with aluminum foil for the last 15 to 20 minutes to prevent burning while the inside finishes cooking.

Step 10: Remove the casserole from the oven and let it cool slightly for about 10 minutes before serving. Dust with a light sprinkle of confectioner’s sugar, add some extra fresh strawberries on top, and drizzle with pure maple syrup. Then dive in and enjoy!

Servings and Timing

This French Toast Strawberry Casserole Recipe serves approximately 8 hungry guests, making it ideal for family breakfasts or smaller brunch gatherings. The prep time is about 20 minutes, but keep in mind you need at least 1 hour of refrigeration for the custard soak, or longer if using sturdier bread. The baking time is around 55 to 60 minutes, so the total time from start to finish usually takes about 2 hours and 15 minutes, including resting. It’s perfect for planning ahead the night before or in the morning for an afternoon treat.

How to Serve This French Toast Strawberry Casserole Recipe

The dish shows two layers, with the bottom layer made of thick slices of orange-colored cooked fruit, arranged hanging around the edges. On top of this is a thick layer of crumbly, golden brown streusel with a rough texture, sprinkled lightly with white powdered sugar. The dish sits on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

When I serve this French Toast Strawberry Casserole Recipe, I love keeping it simple but elegant. It’s delicious on its own, warmed through with that melty custard and crispy topping, but I usually add a few fresh strawberry slices and a dusting of powdered sugar to make it feel extra festive. If I want to elevate it further, a drizzle of pure maple syrup or a spoonful of whipped cream makes it downright irresistible.

This casserole pairs beautifully with lighter sides like a crisp green salad with a citrus vinaigrette or some fresh fruit salad to balance out the richness. For drinks, I’m a big fan of a mimosa or freshly brewed coffee with a splash of cream, which complements the cinnamon and vanilla notes perfectly. Non-alcoholic options like sparkling water with a twist of lemon or a berry-infused iced tea also brighten the meal.

It’s such a versatile dish I’ve served it for casual weekend breakfasts, holiday brunches, and even dessert after a dinner party. I recommend serving it warm, just out of the oven or slightly cooled so the flavors fully develop. For plating, I slice it into generous squares or rectangles and serve with a small fork or dessert spoon alongside the accompaniments. Your guests will feel pampered and satisfied with every bite!

Variations

I love how adaptable this recipe is, so I often play around with different tweaks depending on what I have on hand or dietary needs. For example, swapping brioche for challah or a sturdy sourdough loaf works wonderfully, adding a different texture and taste to the base. If you want to switch up the fruit, fresh blueberries, raspberries, or even diced peaches can be excellent alternatives or additions alongside the strawberries.

For any friends seeking gluten-free options, I’ve found that using gluten-free bread and gluten-free flour works well. Vegan versions are possible by substituting plant-based milk, a flax egg blend for the eggs, and vegan butter. The custard won’t be quite as rich, but the result is still satisfying and delicious with the strawberry flavors.

Lastly, you could experiment with cooking methods like using individual ramekins for personal portions or baking this in a slow cooker on low for an all-day, hands-off approach. Each method offers unique textures and convenience, but the Walnut streusel topping always adds that perfect finishing touch no matter how you prepare it.

Storage and Reheating

Storing Leftovers

If you happen to have any leftovers (though rare in my house!), store them in an airtight container in the refrigerator. I usually recommend eating refrigerated portions within 3 days to enjoy the best texture and freshness. You can also cover the casserole dish tightly with foil or plastic wrap if you plan to keep the whole thing.

Freezing

This casserole freezes well if you want to prepare it in advance. Wrap individual slices tightly in plastic wrap and then place them in a freezer-safe container or bag. They’ll keep well frozen for up to 2 months. When you’re ready, thaw overnight in the refrigerator before reheating for the best results.

Reheating

The best way to reheat is in a preheated oven at 350°F (175°C) for about 15-20 minutes, uncovered, until warmed through and the top is crisp again. Avoid microwaving if possible, as it can make the custard soggy and the streusel lose its crunch. If pressed for time, you can microwave on medium power briefly, then finish with a quick oven or toaster oven crisp to restore texture.

FAQs

Can I make this French Toast Strawberry Casserole Recipe ahead of time?

Absolutely! In fact, refrigerating the casserole for at least 1 hour or overnight before baking is recommended to let the bread soak up all that custard flavor. It makes morning prep stress-free and enhances the dish’s texture.

What type of bread works best for this casserole?

I prefer using brioche because it’s rich, soft, and buttery, but challah is an excellent substitute. If you want a firmer texture, sourdough also works well but may need a longer soaking time.

Can I substitute fresh strawberries with frozen ones?

While fresh strawberries are ideal for the best texture and flavor, you can use thawed frozen strawberries if necessary. Just drain any excess moisture to prevent the casserole from becoming too soggy.

Is it possible to make this recipe dairy-free?

Yes, you can swap the whole milk and heavy cream for plant-based alternatives like almond or oat milk. Use dairy-free butter and a vegan egg substitute like flax eggs to make a fully dairy-free and vegan casserole.

How do I prevent the top from browning too quickly?

If you notice the walnut streusel topping browning faster than the casserole is baking, tent the dish loosely with aluminum foil during the last 15-20 minutes. This helps the casserole cook evenly without burning the top.

Conclusion

If you’re searching for a dish that feels like a warm hug on a plate, this French Toast Strawberry Casserole Recipe is absolutely worth making. It’s vibrant, tasty, and impressively simple to prepare, yet it tastes like something from a fancy brunch spot. I can’t wait for you to try it and enjoy those tender custardy bites with fresh strawberries and a buttery walnut crunch—trust me, it’s a game changer for breakfast and beyond!