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Brioche French Toast Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.6 from 22 reviews
  • Author: Madison
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 10 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: French

Description

This Baked Brioche French Toast Casserole is a delightful breakfast or brunch dish featuring thickly sliced brioche soaked in a fragrant orange-infused custard, baked until golden and topped with coarse sugar for a perfect sweet crunch. Serve warm with maple syrup for a comforting and flavorful morning treat.


Ingredients

Scale

Bread

  • 1 brioche bread loaf (500 g), thickly sliced

Custard

  • 4 large eggs
  • 50 g light brown sugar
  • 1 zest of a large orange
  • 80 ml orange juice
  • 1 teaspoon vanilla extract
  • ½ teaspoon fine salt
  • 1½ cups milk

For Baking

  • 30 g butter (for greasing)
  • 12 g coarse sugar (demerara sugar) for topping


Instructions

  1. Slice the Bread: Slice the brioche loaf into 1.5 cm (0.6 inch) thick slices, about 12 to 14 slices. Then, cut each slice diagonally in half to form triangles.
  2. Prepare the Custard: In a medium bowl, whisk together the 4 eggs, light brown sugar, orange zest, orange juice, vanilla extract, fine salt, and milk until well combined to form a smooth custard.
  3. Grease the Casserole Dish: Butter a 22 x 13 cm (9×13 inch) casserole dish thoroughly on the base and sides, reserving some butter to dollop around the base.
  4. Soak the Bread: Fully submerge each brioche triangle in the custard mixture and arrange them in the casserole dish point side up. Pour any remaining custard over the bread to ensure thorough soaking.
  5. Let Stand: Allow the soaked bread to stand at room temperature for 30 minutes to absorb the custard and develop flavors.
  6. Add Sugar Topping: Sprinkle the coarse demerara sugar evenly over the top of the soaked bread triangles before baking.
  7. Bake: Bake the casserole in a preheated oven at 165°C (340°F) for 30 minutes until the top is lightly golden and the custard is set.
  8. Rest and Serve: Remove from the oven and let the casserole rest for 10 minutes. Serve warm with a drizzle of maple syrup for best taste.

Notes

  • Use day-old or stale brioche bread for better structure and soaking; fresh bread may fall apart when soaked.
  • Letting the bread soak for 30 minutes is key to infuse flavors and ensure custard penetrates the bread well.
  • The casserole can be covered and refrigerated for up to 5 days; reheat gently before serving.
  • Freeze assembled casserole in a freezer-safe dish wrapped well for up to 3 months; thaw overnight in the fridge before baking.
  • Step-by-step photos are available on the blog post for visual guidance.
  • Serving warm brings out the best flavor and texture; enjoy immediately after baking.

Nutrition

  • Serving Size: 1 slice
  • Calories: 310 kcal
  • Sugar: 15 g
  • Sodium: 230 mg
  • Fat: 13 g
  • Saturated Fat: 7 g
  • Unsaturated Fat: 5 g
  • Trans Fat: 0 g
  • Carbohydrates: 40 g
  • Fiber: 1 g
  • Protein: 8 g
  • Cholesterol: 150 mg