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maple syrup drizzling over slices of brioche French toast casserole
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Less Egg Brioche French Toast Casserole

This easy Brioche French Toast Casserole is soft, custardy, and sweet — made with just 3 eggs, no overnight soak, and ready for brunch in under an hour.
Prep Time10 minutes
Cook Time40 minutes
Resting15 minutes
Total Time1 hour 5 minutes
Course: Breakfast
Cuisine: American
Difficulty: Easy
Servings: 8 servings
Calories: 270kcal
Author: Nora from Savory Nothings

Ingredients

  • 1 (14–16 oz) loaf soft brioche cut into 1-inch cubes; Challah, Texas toast or another thick sandwich loaf also work great - nothing too dry, since we skip the overnight soak
  • 3 large eggs
  • 2 cups whole milk swap ½ cup milk for cream if you want it richer
  • ⅓ cup brown sugar white sugar works in a pinch
  • 1 tablespoon all-purpose flour
  • ½ teaspoon ground cinnamon if you like more spice, a pinch of nutmeg or cardamom complements the cinnamon
  • 1 teaspoon vanilla extract
  • ¼ teaspoon salt
  • 1 tablespoon granulated sugar for topping
  • powdered sugar, maple syrup, fresh berries optional for serving

Instructions

  • Prep:
    Preheat your oven to 350°F (180°C). Lightly grease a 9x13-inch baking dish. Get your ingredients ready.
    1 (14–16 oz) loaf soft brioche
    ingredients for brioche French toast casserole
  • Make custard:
    In a medium bowl, whisk together eggs, milk, brown sugar, flour, cinnamon, vanilla, and salt until fully smooth.
    3 large eggs, 2 cups whole milk, ⅓ cup brown sugar, 1 tablespoon all-purpose flour, ½ teaspoon ground cinnamon, 1 teaspoon vanilla extract, ¼ teaspoon salt
    preparations for brioche French toast casserole
  • Assemble:
    Place the bread in your pan in an even layer. Pour the custard over the bread, pressing down gently to help it soak in. Let the casserole sit for 10–15 minutes while the oven finishes preheating.
    pouring custard over brioche cubes
  • Sprinkle with sugar:
    Sprinkle the top with granulated sugar for a light, sweet crust.
    1 tablespoon granulated sugar
    unbaked brioche French toast casserole
  • Bake:
    Bake the casserole for 35–40 minutes, or until puffed, golden, and just set in the center.
    baked brioche French toast casserole
  • Finish and serve:
    Let the casserole cool for 5–10 minutes before serving. Dust with powdered sugar, drizzle with maple syrup, and add fresh berries if you like.
    powdered sugar, maple syrup, fresh berries
    brioche French toast casserole being served

Notes

  • Let the casserole rest 5–10 minutes before slicing. It finishes setting as it cools, and your slices will thank you.
  • Bake until just set in the center — if you wait for it to feel fully firm, it’s already gone too far.
  • Overnight soak is optional. To make-ahead: Assemble and refrigerate overnight; bake cold with 5–10 extra minutes (do not use a ceramic dish for overnight refrigeration to keep it from cracking due to thermal shock.)

Nutrition

Serving: 1serving (about 3x4.5 inches) | Calories: 270kcal | Carbohydrates: 34g | Protein: 8g | Fat: 10g