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Easy Overnight Cinnamon Roll French Toast Casserole Recipe for Perfect Breakfast

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This easy overnight cinnamon roll French toast casserole is a quick and delicious breakfast that combines the indulgence of cinnamon rolls with a creamy custard soak, perfect for busy mornings or leisurely brunches.

Ingredients

Scale
  • 8 large store-bought cinnamon rolls (unbaked)
  • 6 large eggs (room temperature)
  • 2 cups (475 ml) whole milk
  • 1 cup (240 ml) heavy cream
  • 1/4 cup (50 g) granulated sugar
  • 2 teaspoons pure vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/3 cup (65 g) brown sugar
  • 2 tablespoons butter (melted)
  • Powdered sugar or maple syrup (optional, for serving)

Instructions

  1. Lightly grease a 9×13-inch baking dish with butter or non-stick spray.
  2. Cut each unbaked cinnamon roll into quarters.
  3. Arrange the quartered cinnamon roll pieces evenly in the baking dish, leaving some gaps.
  4. In a large mixing bowl, whisk together 6 large eggs, 2 cups whole milk, 1 cup heavy cream, 1/4 cup granulated sugar, 2 teaspoons vanilla extract, and 1 teaspoon ground cinnamon until smooth and slightly frothy.
  5. Pour the custard mixture evenly over the cinnamon roll pieces, pressing down gently with a spatula to help absorption. Cover the dish with plastic wrap or foil.
  6. Refrigerate the covered dish for at least 8 hours or overnight.
  7. Remove the casserole from the fridge 20 minutes before baking and preheat the oven to 350°F (175°C).
  8. Mix 1/3 cup brown sugar with 2 tablespoons melted butter and sprinkle evenly over the soaked cinnamon rolls.
  9. Bake uncovered for 40-45 minutes until the custard is set and the top is golden brown and bubbling. Test doneness with a knife or thermometer (should reach 160°F / 71°C).
  10. Let the casserole rest for 10 minutes before serving.

Notes

Use room temperature eggs and dairy for better custard absorption. Cut cinnamon rolls into quarters for even soaking. Tent with foil if the topping browns too quickly. Let the casserole rest before serving for easier slicing. Leftovers reheat well in oven or microwave with a damp paper towel.

Nutrition

Keywords: overnight casserole, cinnamon roll, French toast casserole, easy breakfast, cinnamon roll casserole, make ahead breakfast, brunch recipe