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Overnight Brioche French Toast Casserole

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A custardy, golden bake made with day-old brioche, perfect for brunch gatherings.

Ingredients

Scale
  • 14 ounces brioche bread, cut into 1-inch cubes
  • 6 large eggs
  • 1 1/2 cups heavy cream
  • 1/2 cup whole milk
  • 1/2 cup granulated sugar
  • 1 tablespoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • Pinch ground nutmeg
  • Pinch kosher salt
  • Powdered sugar for dusting

Instructions

  1. Spray a 3-quart baking dish with non-stick spray or grease it with butter and set aside.
  2. Cube the brioche into roughly 1-inch pieces. Spread the cubes evenly in the prepared dish.
  3. In a large bowl, whisk together the eggs until smooth. Add heavy cream, milk, sugar, vanilla, cinnamon, nutmeg, and salt. Whisk until fully combined and slightly frothy.
  4. Pour the custard over the bread. Press down gently so the liquid soaks into all the cubes. Give the pan a gentle shake to help the mixture settle.
  5. Cover the baking dish tightly with plastic wrap and chill in the refrigerator for at least 8 hours, preferably overnight.
  6. When ready to bake, preheat the oven to 350°F. Remove the casserole from the fridge and discard the plastic wrap.
  7. Place the dish on the middle rack and bake for 45 to 60 minutes, until the top is golden brown.
  8. Let the casserole rest for 10 minutes before dusting with powdered sugar and serving.

Notes

For a lighter version, reduce the heavy cream to 1 cup and add 1/2 cup milk. For a vegan option, use a mix of silken tofu and plant-based milk with a vegan brioche-style loaf.

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