Overnight French Toast Casserole Recipe

Overnight French Toast Casserole Recipe

How To Make Overnight French Toast Casserole

Everybody enjoys a good french toast but this you’ll love! Made with cinnamon custard-soaked sourdough, open up your morning with a surprise.

Preparation: 20 minutes
Cooking: 45 minutes
Chill Time: 10 hours
Total: 11 hours 5 minutes



  • 3tbspgranulated sugar
  • ¾tspground cinnamon
  • 1pinchground nutmeg
  • 6large eggs
  • 1cupmilk,anything but skim
  • 1cuphalf and half
  • tspvanilla extract
  • 1sourdough bread loaf,cut into 1-inch slices then slices cut into 1-inch cubes
  • 2tbspmelted butter,plus more butter for baking dish
  • powdered sugar,for dusting, about 1 tsp
  • real maple syrup,or pancake syrup for serving

For Crumble Topping:

  • cupall-purpose flour
  • cuplight brown sugar,packed
  • ¾tspground cinnamon
  • tspsalt
  • ¼cupunsalted butter,cold and diced into small cubes


French Toast:

  1. Butter a 13×9-inch baking dish. Add bread cubes to the baking dish spreading them into an even layer. In a mixing bowl with a pour spout** whisk together sugar, cinnamon, and nutmeg.

  2. Add in eggs and whisk until well blended, while scraping bowl. Pour in milk, half and half and vanilla and whisk until well blended.

  3. Slowly and evenly pour egg mixture over bread cubes working to coat all of them. Cover with plastic wrap and chill for at least 10 hours, or overnight.

  4. In the morning preheat oven to 350 degrees F. While oven is preheating, remove casserole from fridge and let rest at room temperature for about 15 minutes. Prepare crumble


  1. In a medium mixing bowl whisk together flour, brown sugar, cinnamon, and salt.

  2. Add butter and cut into flour mixture using a pastry cutter or a long pronged fork until mixture resembles coarse crumbs.

  3. Transfer to fridge if oven hasn’t fully preheated yet then add it just before placing casserole in oven.

  4. Sprinkle casserole evenly with crumble then bake for about 38 to 45 minutes, until set and center is cooked through and no longer soggy.

  5. Let cool a few minutes, pour melted butter over top, dust with powdered sugar if desired, then cut into squares. Serve warm drizzling each serving with maple syrup.

Recipe Notes

The casserole itself isn’t that sweet so don’t leave off the maple syrup. Syrup is not included in nutritional info


  • Calories: 338.71kcal
  • Fat: 14.55g
  • Saturated Fat: 7.76g
  • Trans Fat: 0.29g
  • Monounsaturated Fat: 4.07g
  • Polyunsaturated Fat: 1.41g
  • Carbohydrates: 41.19g
  • Fiber: 1.38g
  • Sugar: 14.89g
  • Protein: 10.94g
  • Cholesterol: 141.30mg
  • Sodium: 354.52mg
  • Calcium: 105.48mg
  • Potassium: 176.93mg
  • Iron: 2.69mg
  • Vitamin A: 141.00µg
  • Vitamin C: 0.23mg
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