Overnight Blueberry French Toast Casserole

Happy Monday, friends! I’m loving today for two reasons – I’m on vacation AND I remembered to prep breakfast before bed last night. That means I was able to sleep in late and wake up to the immediate smell of my Overnight Blueberry French Toast Casserole in the oven. When I remember to prep breakfast (which is usually on Friday night, oddly enough) this is one of our favorite go-to’s. 

Brandon and I both love blueberries and I’m a sucker for french toast (he prefers pancakes). I’ll usually wake up and pop this in the oven to bake while I shower and he walks the dogs for their morning mini-hike. This past weekend was crazy busy and I started a new furniture makeover project (transforming a shiny teal cabinet to a classic white cabinet and new hardware, see the before on Instagram). I was just so go-go-go that I didn’t get the chance to sit down and do the weekend cooking and canning like I usually do. It wasn’t until last night, at about 11pm, when I actually realized I am on vacation this week. I immediately jumped up and told Brandon, “I’m on vacation! I’m going to prep my overnight blueberry french toast casserole for tomorrow!” 

It only takes like 5 minutes so it really isn’t as daunting of a task as I made it sound. Plus, it’s totally worth it.

This overnight blueberry french toast casserole is so perfect for a weekend morning.

It just makes lazy mornings so much nicer when breakfast isn’t something I have to stress about. Plus, since Brandon drinks a lot of smoothies and there are always bags of frozen blueberries in the freezer, this is a breakfast I can make any weekend. Since it bakes for about an hour once I put it in the oven in the morning it’s not really do-able for us for a weekday meal but if you’re an early riser, go for it. 

I always put powdered sugar on the plate before topping it with the overnight blueberry french toast casserole because I like how the bottom pieces soak up the powdered sugar. It guarantees you end on a sweet bite. 

Powdered sugar on plate

This overnight blueberry french toast casserole is so perfect for a weekend morning.

This overnight blueberry french toast casserole is so perfect for a weekend morning.

Overnight Blueberry French Toast Casserole
Serves 6
An easy and affordable make-ahead breakfast casserole.
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Prep Time
10 min
Cook Time
1 hr 15 min
Total Time
1 hr 25 min
Prep Time
10 min
Cook Time
1 hr 15 min
Total Time
1 hr 25 min
Ingredients
  1. 1 Large loaf of french bread, cut into 1″ cubes
  2. 3 Cups blueberries, divided (fresh or frozen)
  3. 1/2 Cup white sugar
  4. 5 Large eggs
  5. 3 Cups whole milk
  6. 1 1/2 Tsp cinnamon
  7. 1 1/2 Tsp vanilla extract
  8. Lemon zest
The Night Before
  1. Spray to grease a 9 × 13 baking pan.
  2. In a large mixing bowl, toss together the bread cubes and 2 cups of blueberries. Spread evenly in the baking pan.
  3. In a large mixing bowl, combine the remaining blueberries, sugar, and eggs.
  4. Add milk, cinnamon, and vanilla. Stir to combine.
  5. Pour the egg mixture evenly over the bread cubes and blueberries. Cover with aluminum foil and refrigerate (at least 8 hours).
The Morning Of
  1. Preheat the oven to 350-degrees.
  2. Remain covered and bake on the middle rack for 45 minutes.
  3. Remove from the oven and uncover. Lightly toss the bread cubes and blueberries.
  4. Return to the oven and bake, uncovered, for 30 minutes. Check occasionally to prevent the top of the bread cubes from burning.
  5. Top with lemon zest.
  6. Serve warm topped with powdered sugar, syrup (maple or blueberry), or fresh berries.
Far Beyond Love http://www.farbeyondlove.com/
It makes enough to easily feed 6 so we have leftovers for at least a day or two but this casserole keeps well in the refrigerator so it’s no problem. I just toss it in the microwave for 30 seconds and it’s good to go.

Good morning! Enjoy!

Ashley LaMar
Ashley lives in Atlanta, Georgia with her husband and two small dogs. If she’s not writing or blogging, she can usually be found cooking, reading, or watching baseball. She also loves horror movies.

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