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Easy Overnight Cinnamon Roll French Toast Casserole

Easy Overnight Cinnamon Roll French Toast Casserole - featured image

A velvety, gooey cinnamon roll casserole with a custardy texture, perfect for effortless and impressive breakfast or brunch. Made with refrigerated cinnamon rolls soaked overnight in a rich custard and baked to golden perfection.

Ingredients

Scale
  • 1 package refrigerated cinnamon rolls (8 rolls)
  • 6 large eggs, room temperature
  • 2 cups whole milk (480 ml)
  • 1/2 cup heavy cream (120 ml)
  • 1/4 cup granulated sugar (50 g)
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/8 teaspoon salt
  • 2 tablespoons butter, melted
  • Powdered sugar glaze (optional) – made by mixing powdered sugar with a splash of milk and vanilla extract

Instructions

  1. Preheat oven to 350°F (175°C). Slice each refrigerated cinnamon roll into quarters and arrange evenly in a greased 9×13-inch baking dish with some overlap.
  2. In a large mixing bowl, whisk together eggs, whole milk, heavy cream, granulated sugar, vanilla extract, ground cinnamon, and salt until smooth and slightly frothy.
  3. Pour the custard evenly over the cinnamon roll pieces. Gently press down with a spatula to help absorb the liquid. Cover tightly with plastic wrap or foil and refrigerate overnight or at least 6 hours.
  4. Remove casserole from fridge and preheat oven to 350°F (175°C) if not already heated. Remove plastic wrap and brush the top with melted butter.
  5. Cover loosely with foil and bake for 35 minutes. Remove foil and bake an additional 10-15 minutes until the top is golden and slightly crispy. The center should be set but moist.
  6. Optional: While casserole cools for 10 minutes, whisk powdered sugar, milk, and vanilla extract to make glaze. Drizzle over warm casserole before serving.

Notes

Do not skip the overnight soak for best custardy texture. Use room temperature eggs and dairy for even custard. Brush melted butter on top before baking for a golden crust. Cover casserole while baking first 35 minutes to prevent drying, then uncover to crisp edges. Check oven temperature as baking times may vary. Let casserole rest 10 minutes before slicing. Leftovers store well refrigerated up to 3 days or frozen up to 2 months.

Nutrition

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