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Close-up of slice of French toast casserole on white plate with berries and drizzle of syrup

Baked French Toast Casserole

An easy make-ahead French toast casserole that bakes up golden and custardy — the perfect holiday brunch centerpiece.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Course Breakfast, Brunch, Holiday Morning
Cuisine American
Servings 6

Equipment

  • 9×13 baking dish
  • Mixing bowls
  • Whisk
  • Plastic wrap or foil

Ingredients
  

  • 1 loaf brioche or challah bread cubed (about 10 cups)
  • 6 large eggs
  • 2 cups whole milk or half and half for richer texture
  • ½ cup heavy cream
  • ½ cup brown sugar
  • 1 tablespoon vanilla extract
  • 1 ½ teaspoons ground cinnamon
  • ¼ teaspoon nutmeg
  • Pinch of salt
  • 2 tablespoons melted butter
  • Optional: powdered sugar and fresh berries for serving

Instructions
 

Prep the bread:

  • Butter a 9×13 inch baking dish. Add cubed brioche bread.

Make the custard:

  • In a large bowl, whisk together eggs, milk, cream, brown sugar, vanilla, cinnamon, nutmeg, and salt until smooth.

Combine:

  • Pour custard evenly over the bread. Gently press the bread so it soaks in the mixture.

Chill:

  • Cover and refrigerate for at least 2 hours or overnight.

Bake:

  • Preheat oven to 350°F (175°C). Uncover and bake for 40–45 minutes until the top is golden and the center is set.

Serve:

  • Drizzle with melted butter and dust with powdered sugar before serving warm with berries or maple syrup.

Notes

💡 Use day-old brioche — it absorbs custard beautifully without getting mushy.

🧊 Store leftovers in the fridge for up to 3 days; reheat in a 350°F oven for 10 minutes to revive the crisp edges.
Keyword brunch casserole, french toast bake, holiday breakfast ideas, make ahead breakfast