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Slice of French Toast Casserole with Blackberries covered with blackberry syrup and a baking dish and jar of blackberry syrup in the back

Baked French Toast Casserole With Blackberry Syrup

Crusty bread is baked in a lightly-sweetened creamy custard with blackberries, then topped with blackberry syrup.
Course Breakfast
Cuisine American
Prep Time 10 minutes
Total Time 55 minutes
Servings 8
Calories 408kcal
Author Amy


  • 1 Loaf Crusty bread 16 oz
  • 6 Eggs
  • 1.5 Cups Milk
  • 1 Cup Whole milk Greek yogurt
  • 1/2 Cup Maple syrup or honey
  • 1 Tsp Vanilla extract
  • 2 Cups Frozen blackberries

Blackberry Syrup


French Toast Casserole

  • In a large bowl, whisk together eggs, yogurt, milk, vanilla, and maple syrup together. Set aside.
  • Cut bread into strips and layer half into a 9x13 pan. 
  • Scatter 1 cup frozen blackberries throughout bread, then layer remaining bread, and top with remaining frozen blackberries.
  • Pour custard over top. Allow to soak in; refrigerate at least 30 minutes to an hour.
  • Preheat oven to 350. Lightly pat down any bread that floated up a bit. Place into oven for 45 minutes to an hour.

Blackberry Syrup

  • Over medium heat, add blackberries and maple syrup and bring to a boil. Allow to simmer for 5-10 minutes. 
  • In a small cup, make a slurry with cornstarch and vanilla. Pour into blackberry maple syrup mixture, bring to a boil for a minute until thickened, and then take off of heat to cool. Store in the refrigerator for 4-7 days. If it lasts that long.


Some loafs are smaller than others. If you loaf is on the smaller size you may need to use less of the custard mixture. 


Serving: 1g | Calories: 408kcal | Carbohydrates: 73g | Protein: 15g | Fat: 5g | Saturated Fat: 2g | Cholesterol: 128mg | Sodium: 337mg | Potassium: 435mg | Fiber: 5g | Sugar: 38g | Vitamin A: 405IU | Vitamin C: 15.1mg | Calcium: 195mg | Iron: 2.9mg