This Overnight Breakfast Casserole is the ultimate stress-free dish, perfect for busy mornings or special brunches. Imagine waking up to a hearty, golden-baked casserole filled with layers of soft, flavorful bread, juicy berries, and a subtle sweetness from maple syrup. Prepared the night before, all you need to do in the morning is bake and enjoy. Trust me—this breakfast casserole is as delicious as it is effortless, making your mornings brighter and tastier!
Why You’ll Love This Recipe
- Prep Ahead: Assemble the night before for a relaxed morning.
- Healthy and Wholesome: Packed with fruit and natural sweeteners.
- Perfect for Crowds: Serves plenty, ideal for family gatherings or brunch parties.
- Customizable: Easily adaptable to your favorite fruits and flavors.
Ingredients
Gather these simple ingredients for your Overnight Breakfast Casserole:
- Berries: Adds freshness, sweetness, and beautiful color.
- Thick bread: Slightly dried bread soaks up the delicious custard perfectly.
- Applesauce or mashed banana: Naturally sweetens and adds moisture.
- Milk of choice: Keeps the casserole moist and flavorful.
- Egg whites or extra milk: Creates a soft, custard-like texture.
- Pure maple syrup, agave, or honey: Adds delightful sweetness.
- Pure vanilla extract (optional): Deepens the overall flavor.
Note: Specific measurements are provided in the recipe card at the bottom.
How to Make the Recipe
Step 1: Prepare the Bread
If your bread isn’t already slightly dry, let slices sit uncovered for a day or bake at 300°F for 15 minutes until dry.
Step 2: Layer the Casserole
Grease a 9×13-inch pan. Cut bread into roughly 1-inch pieces and layer evenly in the pan.
Step 3: Mix Wet Ingredients
Whisk applesauce or banana, milk, egg whites (or extra milk), maple syrup, and vanilla extract until combined.
Step 4: Assemble the Casserole
Pour the liquid mixture evenly over the bread pieces. Spread berries evenly across the top.
Step 5: Refrigerate Overnight
Cover the pan and refrigerate overnight, letting all the flavors blend.
Step 6: Bake and Serve
In the morning, preheat your oven to 350°F. Bake the casserole for about 1 hour or until the bread turns lightly golden. Serve warm or cold.
Pro Tips for Making the Recipe
- Bread Choice: Slightly stale or dried-out bread absorbs more flavor without getting soggy.
- Fruit Variations: Feel free to substitute your favorite seasonal fruits.
- Sweetness Level: Adjust sweetness according to your preference by adding more or less maple syrup or honey.
How to Serve
Serve this Overnight Breakfast Casserole warm with a drizzle of maple syrup or dusting of powdered sugar. Pair it with fresh coffee, juice, or a dollop of yogurt on the side for a complete, satisfying breakfast.
Make Ahead and Storage
Storing Leftovers
Refrigerate leftovers in an airtight container for up to 3 days.
Freezing
You can freeze leftovers tightly wrapped for up to 2 months. Thaw overnight in the fridge before reheating.
Reheating
Reheat individual portions in the microwave or bake at 350°F until warmed through.
FAQs
Can I use frozen berries?
Yes, frozen berries work perfectly. Add them directly from frozen without thawing to prevent excess moisture.
Is there a gluten-free option?
Absolutely! Just substitute with your favorite gluten-free bread.
Can I use whole eggs instead of egg whites?
Yes, whole eggs can be substituted, but the texture will be slightly richer.
What type of bread works best?
Sturdy bread like brioche, challah, or thick sandwich bread is ideal, but you can use any bread you have on hand.
Make this Overnight Breakfast Casserole your go-to dish for easy, flavorful mornings. It’s sure to become a family favorite!
PrintOvernight Breakfast Casserole Recipe
- Prep Time: 10 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 10 minutes
- Yield: 8–12 servings 1x
- Category: Breakfast, Brunch
- Method: Baking
- Cuisine: American
Description
This overnight breakfast casserole is a delicious and effortless way to start your morning! Made with hearty thick bread, juicy berries, and a naturally sweetened custard, this casserole softens overnight in the fridge and bakes to perfection in the morning. Perfect for brunch, holidays, or meal prep! Serve it warm or chilled, with a drizzle of maple syrup or a dollop of yogurt for an extra treat.
Ingredients
Base
- 1 lb thick bread (slightly dried out)
- 6 cups fresh or frozen berries (32 oz)
Custard Mixture
- 1 1/3 cup applesauce or mashed banana
- 2/3 cup milk of choice
- 2/3 cup egg whites (or additional milk of choice for a vegan option)
- 1/4 cup pure maple syrup, agave, or honey
- 1 teaspoon pure vanilla extract (optional)
Instructions
- 1. Prepare the Bread
- If the bread is not slightly stale, let it sit uncovered for a day or bake it at 300°F for 15 minutes until dry.
- 2. Assemble the Casserole
- Grease a 9×13-inch baking dish.
- Cut the bread into 1-inch pieces and spread evenly in the dish.
- In a large bowl, whisk together the applesauce, milk, egg whites, maple syrup, and vanilla extract.
- Pour the mixture evenly over the bread, ensuring all pieces are coated.
- Sprinkle the berries evenly over the top.
- 3. Refrigerate Overnight
- Cover the dish with plastic wrap or foil and refrigerate overnight (at least 8 hours).
- 4. Bake the Casserole
- The next morning, preheat the oven to 350°F (175°C).
- Remove the casserole from the fridge and bake for 1 hour, or until the bread is golden brown and the center is set.
- 5. Serve & Enjoy
- Let the casserole cool for 5 minutes, then serve warm or chilled.
- Enjoy as is, or drizzle with maple syrup, yogurt, or a sprinkle of cinnamon!
Notes
- Bread Choice: Brioche, challah, sourdough, or French bread work best.
- Vegan Option: Use non-dairy milk and replace eggs with extra milk.
- Make Ahead: Can be refrigerated for up to 24 hours before baking.
- Storage: Store leftovers in an airtight container for up to 3 days in the fridge. Reheat in the oven at 300°F for 10 minutes or microwave individual portions.
- Serving Suggestion: Top with Greek yogurt, nut butter, or extra fresh berries for a protein-packed meal!
Nutrition
- Serving Size: 1 portion
- Calories: 210kcal
- Sugar: 15g
- Sodium: 180mg
- Fat: 3g
- Saturated Fat: 1g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 5mg
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