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Overnight Sourdough French Toast Bake with Blueberries and Lemon Glaze

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You’ll love the blend of juicy blueberries and the sweet lemon icing, wrapped up in this moist sourdough french toast bake. It is super simple to whip up the night before, place in the refrigerator, and then throw in the oven the next morning!

Overnight Sourdough French Toast Bake with Blueberries and Lemon Glaze

There is something about blueberries and lemon together that just says “hello, Summer.”

Mornings in my household are usually rather busy. With all on my mind to do for the day, I usually aim for something simple, to create less mess. But if I just put in a little extra effort the night before, I can serve this delicious sourdough french toast bake alongside a glass of juice, and it’s a win-win morning. 

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What is Overnight Sourdough French Toast Bake? 

Overnight sourdough French toast is a breakfast dish that is made by soaking torn pieces of sourdough bread in a mixture of eggs, milk, and sugar overnight. Then, you bake the soaked bread mixture in the oven until it is lightly crisp on the top and baked through. This leaves a soft and custardy texture inside. 

Lemon blueberry breakfast bake

For this particular overnight sourdough french toast bake, I incorporate fresh blueberries and lemon.

Freshly squeezed lemon juice is both added to the milk and egg mixture for the bread to soak in, and used for making a glaze to pour on top of the french toast bake. 

Do I Have to Use Sourdough Bread? 

Sourdough bread has taken over the internet.

It is honestly understandable, as there are so many benefits to sourdough bread.

Small sourdough loaf sliced on a cutting board.

I’ve also grown to really appreciate the art of making my own sourdough bread. You can find information on how to make homemade sourdough bread in this blog post. It outlines how to make your own sourdough starter, and offers an example feeding schedule. 

You can find all my sourdough recipes here!

I love that there are so many different recipes you can make with sourdough starter. Aside from just various bread recipes, you can also make sourdough pancakes, sourdough muffins, sourdough pizza dough, biscuits, pretzels, and the list goes on! 

Or you can simply take pieces of sourdough bread tare them into pieces and make this flavorful overnight sourdough french toast bake! 

Bread for sourdough french toast bake.

Can I tell you a secret?

The images in this post actually show student-made white bread from French Camp Academy, which we were recently gifted from my sister when we visited them in French Camp, Mississippi. Which is such a wonderful organization to support!

But I usually would prepare this recipe using leftover sourdough loaf bread. 

Therefore, you can certainly use whatever kind of bread you have handy! It doesn’t need to be homemade sourdough. It doesn’t even need to be homemade bread if you don’t have the time. I promise it will still be a delightful dish. 

How to Make Overnight Sourdough French Toast with Blueberries and Lemon Glaze

This recipe is so simple, and will make your mornings so much easier! Especially if you have littles declaring their hunger.

Here’s what you’ll need to make this delicious breakfast treat:

Overnight french toast bake.

Ingredients

  • 5 Eggs
  • 1 Cup Half and Half Cream
  • ½ Loaf of Homemade Sourdough Bread (torn into small pieces)
  • 2 Fresh Lemons (one for egg mixture/one for glaze)
  • 1 Tsp Vanilla Extract
  • ¼ Cup Granulated Sugar
  • ¾ Pint Blueberries
  • ½ Cup Powdered Sugar

Directions

Step 1. In a medium bowl, whisk together the 5 eggs, 1 cup of half and half, 1 tsp vanilla extract, juice from 1 freshly squeezed lemon, and ¼ cup granulated sugar. Set aside. 

Step 2. Tear half of a sourdough loaf into small pieces and place into a round pie dish

Tearing bread for french toast bake.

Step 3. Pour the egg and cream mixture over the sourdough bread, pushing down any pieces that aren’t covered by the mixture. Make sure all pieces are covered by the egg and cream mixture. 

Mixed eggs and cream.

Step 4. Wash blueberries and evenly distribute on top of the soaked sourdough. 

Pouring egg mixture over sourdough french toast.

Step 5. Cover the pie dish with tin foil and place in the refrigerator overnight or 10 hours. 

Step 6. The next morning, or after 10 hours, preheat oven to 350 degrees. Bake covered for 20 minutes. After 20 minutes, remove the foil and continue to bake for an additional 15 minutes, or until the top is lightly crisp. 

Step 7. While the sourdough french toast bake is baking, prepare the glaze. 

Step 8. In a small bowl, whisk together the juice from 1 freshly squeezed lemon, and ½ cup of powdered sugar. (If it’s too thick, add a splash of water – if it’s too runny, add a bit more powdered sugar – until you get your desired consistency). 

Step 9. When the overnight sourdough french toast bake is done baking, remove from the oven and let cool for 5 minutes before pouring the glaze on top. 

Step 10. Pour glaze over the top of the french toast bake and serve. 

Blueberry lemon overnight sourdough french toast bake.

What to Serve with Overnight Sourdough French Toast Bake 

Did you know that pairing a protein with a carb helps reduce spikes in blood sugar?

This is because proteins and fats take longer to digest than carbs. So eating a protein like bacon or eggs along with your sugary carbohydrate, helps slow down digestion and absorption in the intestines. Therefore, it aids in slowing the rate of sugar entering your bloodstream, preventing the post breakfast sugar crash.

Since this recipe already offers some vibrant flavors of bursting blueberries and citrusy lemon, it doesn’t really need anything additional with it.

But if you’d like offer an additional side, then I’d highly recommend pairing it with a protein for the above reason. I personally like hardwood, thick-cut, smoked bacon.

I know– now you’re really hungry right?

How to Store Leftover Overnight Sourdough French Toast Bake

Overnight french toast is best eaten the day it is baked.

However, baked overnight french toast will keep in the refrigerator for up to 3 days. You’ll want to store any leftovers in an airtight container or tightly wrapped with plastic wrap or aluminum foil. 

Printable Recipe Card

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Blueberry lemon overnight sourdough french toast bake.

Blueberry Lemon Overnight Sourdough French Toast Bake

Yield: 8
Prep Time: 10 minutes
Cook Time: 35 minutes
Additional Time: 10 hours
Total Time: 10 minutes

You'll love the blend of juicy blueberries and the sweet lemon icing, wrapped up in this moist sourdough french toast bake. It is super simple to whip up the night before, place in the refrigerator, and then throw in the oven the next morning!

Ingredients

  • 5 Eggs
  • 1 Cup Half and Half Cream
  • ½ Loaf of Homemade Sourdough Bread (torn into small pieces)
  • 2 Fresh Lemons (one for egg mixture/one for glaze)
  • 1 Tsp Vanilla Extract
  • ¼ Cup Granulated Sugar
  • ¾ Pint Blueberries
  • ½ Cup Powdered Sugar

Instructions

    1. In a medium bowl, whisk together the 5 eggs, 1 cup of half and half, 1 tsp vanilla extract, juice from 1 freshly squeezed lemon, and ¼ cup granulated sugar. Set aside.
    2. Tear half of a sourdough loaf into small pieces and place into a round pie dish.
    3. Pour the egg and cream mixture over the sourdough bread, pushing down any pieces that aren’t covered by the mixture. Make sure all pieces are covered by the egg and cream mixtures.
    4. Wash blueberries and evenly distribute on top of the soaking sourdough.
    5. Cover the pie dish with tin foil and place in the refrigerator overnight or 10 hours.
    6. The next morning, or after 10 hours, preheat oven to 350 degrees. Bake covered for 20 minutes. After 20 minutes, remove the foil and continue to bake for an additional 15 minutes, or until the top is lightly crisp.
    7. While the sourdough french toast bake is baking, prepare the glaze.
    8. In a small bowl, whisk together the juice from 1 freshly squeezed lemon, and ½ cup of powdered sugar. (if too thick, add a splash of water - if too runny, add a bit more powdered sugar - until you get your desired consistency).
    9. When the overnight sourdough french toast bake is done baking, remove from the oven and let cool for 5 minutes before pouring the glaze on top.
    10. Pour glaze over the top of the french toast bake and serve.
Nutrition Information:
Yield: 8 Serving Size: 1 square
Amount Per Serving: Calories: 240
Overnight Sourdough French Toast Bake with Blueberries and Lemon Glaze
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More Delicious Recipes

I hope this recipe brings you a joyful and simplified morning!

Overnight Sourdough French Toast Bake with Blueberries and Lemon Glaze

I’d love to know if you gave this recipe a try. If you enjoyed this breakfast treat, I’d recommend checking these out next: 

Thanks for stopping by the blog today! Make sure to subscribe to get my Grace Notes directly to your inbox and to access all my insider perks. Follow along daily on Instagram and weekly on YouTube!

~ Sarah

3 Comments

  1. You really overloaded me with knowledge, and I appreciate it. after gaining new knowledge from the posts I’ve read on your blog. I’m excited to get knowledge from your practical experience. I am grateful that you shared.

  2. Happy Mother’s Day Sarah! Enjoy your day with Family! I love reading all what you do!
    Clydel 🌺

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