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Overnight Eggnog French Toast Casserole

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3.9 from 53 reviews

This Overnight Eggnog French Toast Casserole is the perfect festive breakfast for Christmas morning. It combines rich, creamy eggnog with holiday spices like cinnamon and nutmeg, soaked into soft brioche or challah bread cubes. Prepared the night before and baked until golden and fluffy, this casserole offers a stress-free, warm, and comforting start to your holiday celebrations.

Ingredients

Scale

For the Casserole

  • 1 loaf brioche or challah bread, cubed
  • 5 large eggs
  • 2 cups eggnog
  • ½ cup heavy cream
  • ⅓ cup brown sugar
  • 1 tsp vanilla extract
  • 1 tsp cinnamon
  • ¼ tsp nutmeg

Instructions

  1. Prepare the baking dish: Grease a 9×13-inch baking dish thoroughly to prevent sticking and ensure easy serving.
  2. Add bread cubes: Place the cubed brioche or challah bread evenly into the prepared baking dish, creating a uniform layer for even soaking.
  3. Make eggnog mixture: In a large bowl, whisk together the eggs, eggnog, heavy cream, brown sugar, vanilla extract, cinnamon, and nutmeg until fully combined and smooth.
  4. Soak the bread: Pour the eggnog mixture evenly over the bread cubes, gently pressing the bread down to ensure it absorbs the liquid. Cover the dish with plastic wrap or foil and refrigerate overnight to allow flavors to meld and bread to soak thoroughly.
  5. Bake the casserole: The following morning, preheat your oven to 350°F (175°C). Remove the cover from the casserole and bake uncovered for 40 to 45 minutes until the top is golden brown and the custard is set.
  6. Serve warm: Once baked, let it cool slightly, then serve warm with a dusting of powdered sugar or a drizzle of maple syrup for extra sweetness and holiday flair.

Notes

  • Using brioche or challah bread provides a rich and tender texture, but you can substitute with thick-cut white bread if needed.
  • For a dairy-free version, substitute eggnog and cream with suitable non-dairy alternatives.
  • Feel free to add nuts such as chopped pecans or walnuts on top before baking for added crunch.
  • Leftovers can be refrigerated for up to 3 days and reheated gently in the oven or microwave.