Overnight Blueberry French Toast Casserole: The Ultimate Make-Ahead Breakfast

Freshly baked blueberry bread pudding topped with golden brown crust, melted cream, and juicy blueberries in a white baking dish

Introduction

why overnight casseroles are perfect for busy mornings or holiday brunch. If you want a make-ahead breakfast that’s both indulgent and stress-free, Overnight Blueberry French Toast Casserole is your answer. Made by layering cubes of bread with custard, blueberries, and cream cheese, this dish is perfect for weekends and holidays.

Unlike stovetop French toast, the overnight version is assembled the night before and baked in the morning. The result? A custardy, golden-baked dish that tastes like dessert for breakfast. Variations like the Decadent Crème Brûlée French Toast Casserole prove how versatile this style of dish can be.

Why Blueberries?

Blueberries aren’t just delicious—they’re also nutrient-dense, loaded with vitamin C, fiber, and antioxidants. Adding them to your breakfast brings natural sweetness and a pop of color.

If you want lighter, fruit-forward options, recipes like the Lemon Cream Chia Pudding provide a healthy alternative while still feeling indulgent.

Key Ingredients Breakdown

  • Bread: French bread, brioche, or challah
  • Dairy: Cream cheese, milk, or half & half
  • Eggs: Structure and custard texture
  • Sweeteners: Powdered sugar, brown sugar, or maple syrup
  • Flavor boosters: Cinnamon, nutmeg, vanilla
  • Blueberries: Fresh, frozen, or wild

Step-by-Step Recipe Instructions

This Overnight Blueberry French Toast Casserole bakes beautifully when

  1. Cube bread and layer in a baking dish.
  2. Beat cream cheese with powdered sugar and vanilla.
  3. Layer with blueberries.
  4. Whisk custard of eggs, milk, and spices; pour over bread.
  5. Refrigerate overnight.
  6. Bake covered at 375°F for 45 min; uncover and bake 30 min more.
  7. Serve warm with syrup or whipped cream.

Variations & Creative Twists

  • Lemon-blueberry twist with zest
  • Chocolate chip and blueberry version
  • Nut topping with pecans or almonds
  • Using brioche or croissants for richness
  • Pair it with desserts like Fudgy Chewy Brookies for a brunch that feels like a sweet spread

Tips for Success

  • Use stale bread to soak custard evenly
  • Bake uncovered at the end for crispness
  • Freeze before baking for holiday prep
  • Adjust milk-to-egg ratio for creaminess

Nutritional Profile & Healthier Alternatives

Each serving averages ~490 calories, 72g carbs, 19g protein, and 15g fat.

Healthier swaps:

Serving & Brunch Ideas

This casserole shines at brunch. Garnish with powdered sugar, syrup, or mint sprigs. Pair it with mimosas, coffee, or savory mains like the Marry Me Quiche for a balanced spread.

FAQs

To prevent sogginess in your Overnight Blueberry French Toast Casserole

Can I use frozen blueberries? Yes, don’t thaw—just bake slightly longer.
Do I have to chill overnight? Yes, for full custard absorption.
Can it be dairy-free? Use oat milk, vegan cream cheese, and plant butter.
Best bread type? Brioche or challah for richness, French bread for sturdiness.

Conclusion

Overnight Blueberry French Toast Casserole is a brunch classic: easy to prep, rich in flavor, and crowd-pleasing. From sweet spins like brookies to savory pairings like quiche, it belongs in every home cook’s repertoire.

Print
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Freshly baked blueberry bread pudding topped with golden brown crust, melted cream, and juicy blueberries in a white baking dish

Overnight Blueberry French Toast Casserole: The Ultimate Make-Ahead Breakfast

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Wake up to the ultimate make-ahead breakfast with this Overnight Blueberry French Toast Casserole! 🍇🥞 Cubes of fluffy brioche are soaked in a creamy cinnamon-vanilla custard, layered with juicy blueberries, and baked until golden brown. Topped with a buttery cinnamon-sugar crumble, this casserole is sweet, comforting, and bursting with flavor. Perfect for brunch, holidays, or any morning when you want something special without the stress. Just prep it the night before, bake in the morning, and enjoy a warm, cozy breakfast that everyone will love! 

  • Total Time: 1 hour
  • Yield: 8 serving

Ingredients

• 1 loaf brioche or challah bread (day-old, cut into 1-inch cubes)

• 1 cup fresh or frozen blueberries

• 8 large eggs

• 2 cups whole milk (or half-and-half for creamier texture)

• ½ cup heavy cream

• ½ cup granulated sugar

• ¼ cup brown sugar

• 2 tsp vanilla extract

• 1 tsp ground cinnamon

• ¼ tsp nutmeg

• Pinch of salt

Instructions

1. Prepare the casserole:

• Grease a 9×13-inch baking dish.

• Layer half the bread cubes in the dish, sprinkle with half the blueberries, then top with the remaining bread and blueberries.

2. Make the custard mixture:

• In a large bowl, whisk together eggs, milk, cream, sugars, vanilla, cinnamon, nutmeg, and salt until smooth.

• Pour evenly over the bread and blueberries, pressing down slightly so the bread soaks it up.

3. Chill overnight:

• Cover the dish tightly with plastic wrap or foil and refrigerate at least 4 hours or overnight.

4. Prepare the topping (in the morning):

• Mix flour, brown sugar, cinnamon, and salt in a bowl. Cut in the cold butter until crumbly. Sprinkle evenly over the casserole.

5. Bake:

• Preheat oven to 350°F (175°C). Bake uncovered for 45–55 minutes, until golden brown and set in the center.

6. Serve:

• Let rest for 5 minutes before serving. Top with maple syrup, powdered sugar, and extra fresh blueberries.

  • Author: chef agh
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Category: breakfast
  • Method: baked
  • Cuisine: american
  • Diet: Vegetarian

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