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brioche french toast casserole on plate
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4.52 from 58 votes

Overnight Brioche French Toast Casserole

Brioche french toast casserole is soaked overnight with cream, cinnamon, and vanilla, then baked to golden, decadent perfection.
Prep Time10 minutes
Cook Time1 hour 30 minutes
Chilling Time8 hours
Total Time9 hours 40 minutes
Course: Breakfast Ideas
Cuisine: American
Servings: 6 - 8 servings
Calories: 585kcal
Author: Samantha Erb

Equipment

  • 3 qt casserole dish

Ingredients

  • 14 ounces Brioche bread day-old
  • 6 large eggs
  • 1 ½ cups heavy cream
  • ½ cup milk
  • ½ cup granulated sugar
  • 1 tablespoon vanilla extract
  • ½ teaspoon ground cinnamon
  • Pinch ground nutmeg
  • Pinch kosher salt
  • powdered sugar for dusting on top
  • SERVE WITH butter syrup, whipped cream, fresh fruit

Instructions

  • Spray a 3-quart baking dish with non-stick spray (or grease with butter) and set it aside. 
  • Cut the bread into cubes, and evenly distribute them in the pan. 
  • In a large mixing bowl, whisk together the eggs, heavy cream, milk, granulated sugar, vanilla, cinnamon, nutmeg, and salt. 
  • Pour the mixture evenly over the bread, pressing down to ensure every piece is soaked.
  • Cover the pan tightly with plastic wrap and chill in the refrigerator for 8 hours, or overnight for best flavor.
  • When ready to bake, preheat the oven to 350 degrees F. Remove the casserole from the refrigerator and take off the plastic wrap. 
  • Bake it for 45-60 minutes, until golden brown and baked through. Serve with syrup and fresh fruit, if desired.

Notes

  • Use day-old brioche as fresh bread can turn out a little mushy, but day-old bread is perfect for absorbing the egg mixture without falling apart.
  • Store leftovers in the refrigerator in an airtight container for up to 3 days.

Nutrition

Serving: 1 | Calories: 585kcal | Carbohydrates: 66g | Protein: 15g | Fat: 29g | Saturated Fat: 16g | Polyunsaturated Fat: 11g | Trans Fat: 1g | Cholesterol: 256mg | Sodium: 470mg | Fiber: 2g | Sugar: 35g