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Overnight Lemon Blueberry French Toast

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A delicious french toast casserole that can be made the night before. A perfect combination of fresh blueberry and lemons

Overnight Lemon Blueberry French Toast

Overnight french toast is such an easy casserole to make for breakfast. Today I am going to show you how to make overnight lemon blueberry french toast casserole.

Mornings can be hectic. In my family we love to make some make ahead meals that we can just pop in the oven. Usually it’s a hash brown casserole but I thought what about overnight french toast? This is a great option for breakfast or brunch. We also like to make overnight french toast for special occasions like Christmas, Easter or even a birthday or a baby/wedding shower brunch. 

Lemon blueberry flavor combination

One of my favorite summer flavor combinations is lemon and blueberry. Blueberry mix well with citrus. Their delicate sweet yet sometimes tart flavor pairs well with lemon. Now this isn’t my first time combining these flavors. My lemon blueberry cake recipe has been a favorite for years.

Looking for other breakfast recipes? Try this blueberry coffee cake, cranberry orange overnight french toast or instant pot vanilla yogurt.

WHICH FRENCH BREAD TO USE FOR FRENCH TOAST

Now you can use any French bread but I prefer brioche. Brioche is a soft bread I am not a fan when my french toast is too crunchy. It is made with more eggs and butter than most bread which gives it a rich flavor. Some people like to make their french toast in whole slices but for a casserole I like to cube the bread into bite size pieces. One loaf should be more than enough to fill your 13×9 baking pan. 

Looking for a place to buy brioche? I really like the brioche from Trader Joes.

Lemon blueberry not a favorite for everyone in your family? This can be easily made with cranberries or chocolate chips and be just as delicious!

Overnight Lemon Blueberry French Toast

WHEN IS BLUEBERRY SEASON?

Blueberry season really depends on where you live. In New England out season typically runs from early July to early September. But in the South some states are as early as April. The great thing about blueberries is that they freeze well. 

Can you use frozen blueberries?

Yes! I find in most baked goods you can use frozen blueberries.So if you do get the chance to go blueberry picking don’t be afraid to pick a few extra to get you through the Winter. That way we have local blueberries year round. Our favorites are Maine blueberries. They are the wild blueberries that are very tiny. You haven’t lived until you’ve had a blueberry pie from Moody’s Diner in Maine. 

Overnight Blueberry French Toast

Overnight Lemon Blueberry French Toast

Overnight Lemon Blueberry French Toast

A delicious french toast casserole that you can make the night before. A perfect combination of fresh blueberry and lemons. It's bright flavors makes it perfect for breakfast or brunch. It's so good you may even want to have it for dessert!

Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes

Ingredients

  • 1 Loaf of Brioche Bread Cubed
  • 1 1/2 Cups of Blueberries
  • 6 Eggs
  • 2 Cups of Whole Milk
  • Juice of One Lemon
  • Zest of One Lemon
  • 1 tbsp of Vanilla Extract
  • 3 tbsp of Light Brown Sugar

  • 1 tsp of Cinnamon
  • 1/2 tsp of Salt
  • Confectioner's sugar or maple syrup (optional)
  • Topping
  • 4 tbsp of Brown Sugar
  • 2 tbsp of Granulated Sugar
  • 2 tbsp of Cold Butter
  • 1/2 tbsp of Cinnamon

Instructions

  1. Grease a 13x9 inch pan.
  2. Cube Brioche bread into bite size pieces and layer in the greased pan.
  3. Combine eggs, milk, lemon juice, lemon zest, vanilla, brown sugar, cinnamon and salt.
  4. Add blueberries to your pan of cubed bread.
  5. Pour egg mixture over cubed bread and blueberries.
  6. Cover and store overnight.
  7. In the morning take the pan out of the fridge and let it sit on the counter for about 20-30 minutes. You don't want to put a cold pyrex in the oven it can shatter.
  8. Preheat oven to 350 degrees
  9. For the topping combine brown sugar, granulated sugar and cinnamon. Cut in cold butter.
  10. Sprinkle topping over your french toast.
  11. Bake for 40 minutes at 350 degrees.
  12. Top with confectioner's sugar or maple syrup when served.

Notes

For a stronger lemon taste add 1 more lemon to zest and juice. Make sure to not put the pan in the oven too cold.

Looking to feed a crowd? This recipe makes a 13×9 dish. It’s enough to bring to a brunch, potluck or for on the go breakfasts for the week. 

Overnight Blueberry French Toast

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