Quick Blueberry French Toast Casserole
A quick and easy casserole combining cubed bread and fresh blueberries soaked in a creamy custard, perfect for busy mornings or gatherings.

A quick note for busy cooks
Short on time and still want something warm and homey? This casserole comes together with pantry basics and a single bowl — perfect for mornings when every minute counts. If you like one-dish, make-ahead breakfasts, you might also enjoy a savory option like the French onion chicken-orzo casserole for dinner prep.
Why it’s a simple choice for busy schedules
This recipe uses eight slices of bread and a quick egg-and-milk custard so you can prep in minutes, let it soak, then bake while you handle other tasks. It works for breakfast, brunch, or a grab-and-go dinner.
Quick overview before you start
You’ll layer cubed bread and blueberries, whisk a five-ingredient custard, pour, soak, then bake. If you want a similar make-ahead approach for other meals, see a different casserole technique like a family-style make-ahead casserole idea.
What to grab before cooking
- 8 slices of bread
- 2 cups of milk
- 4 large eggs
- 1/2 cup of sugar
- 1 teaspoon of vanilla extract
- 1 teaspoon of cinnamon
- 2 cups of fresh blueberries
- Butter for greasing
- Powdered sugar for serving (optional)
How to prepare it in easy steps
- Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter.
- Cut bread into cubes. Place half the cubes in the prepared dish and sprinkle with half the blueberries.
- Add remaining bread cubes and top with the rest of the blueberries.
- In a bowl, whisk milk, eggs, sugar, vanilla, and cinnamon until smooth.
- Pour the mixture evenly over the layered bread and berries. Press lightly so bread absorbs liquid.
- Let sit 30 minutes at room temperature or refrigerate overnight for hands-off prep.
- Bake 35–40 minutes until golden and set.
- Cool slightly, dust with powdered sugar if desired, and serve.

Blueberry French Toast Casserole
- Prep
- 30 MIN
- Cook
- 40 MIN
- Total
- 1 HR 10 MIN
- Serves
- 8
01Ingredients
Casserole Ingredients
02Method
- Preparation
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0 OF 8 DONE03Recipe notes
- 01Cool completely, cover tightly, and refrigerate leftovers up to 3 days. Freeze individual portions in airtight containers for up to 1 month. Reheat in a 350°F oven for 10–15 minutes or microwave single portions for 60–90 seconds until warm.
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Easy ways to serve it
- Serve warm with a drizzle of maple syrup or a spoonful of Greek yogurt.
- Add a side of sliced fruit or a simple green salad for a light meal.
- Plate with turkey bacon or sausage for a heartier brunch.
How to store leftovers efficiently
Cool completely, cover tightly, and refrigerate up to 3 days.
Freeze individual portions in airtight containers for up to 1 month.
Reheat in a 350°F oven for 10–15 minutes or microwave single portions for 60–90 seconds until warm.
Time-saving notes
- Cube bread the night before and store in a zip-top bag to speed morning prep.
- Use day-old bread — it soaks custard better and prevents sogginess.
- Make it the night before and bake in the morning to save time.
Easy ways to change it up
- Swap blueberries for raspberries, chopped apples, or sliced strawberries.
- Add 1/2 cup chopped nuts or a streusel topping before baking for crunch.
- Use almond or oat milk and a touch of orange zest for a different flavor profile.
Fast answers to common questions
Can I use frozen blueberries?
A: Yes — no need to thaw, but add a minute or two to baking time if they release extra juice.
Can I halve the recipe?
A: Yes — use an 8×8-inch dish and check doneness a few minutes earlier.
Is overnight soaking safe?
A: Yes — refrigerate while soaking. Overnight improves texture and flavor.
Conclusion
For another take on blueberry French toast baked into a casserole, see the detailed version at Sally’s Baking Blueberry French Toast Casserole for tips on texture and topping ideas. For another idea, try my Crème Brûlée French Toast.
Breakfast
Breakfast
Breakfast
