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Overnight Cinnamon Roll French Toast Casserole

A decadent square slice of cinnamon roll french toast topped with thick, dripping cream cheese glaze.

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Make this easy Cinnamon Roll French Toast Casserole ahead of time for a decadent, comforting weekend brunch. This make-ahead breakfast uses store-bought cinnamon rolls baked in a rich custard, topped with icing for gooey cinnamon goodness.

Ingredients

Scale
  • 1 (12.5 ounce) package refrigerated cinnamon rolls (about 8 rolls)
  • 6 large eggs
  • 1 cup milk (whole milk recommended)
  • 1/4 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • 1/4 cup heavy cream (optional, for richer custard)
  • Cream cheese icing packet included with rolls

Instructions

  1. Prepare the cinnamon rolls: Cut each cinnamon roll into quarters. Arrange the pieces evenly in the bottom of a greased 9×13 inch baking dish.
  2. Make the custard: In a large bowl, whisk together the eggs, milk, granulated sugar, vanilla extract, and ground cinnamon until fully combined. If using, whisk in the heavy cream.
  3. Soak the rolls: Pour the custard mixture evenly over the cinnamon roll pieces in the baking dish. Gently press down to ensure all pieces absorb the liquid.
  4. Cover and refrigerate: Cover the baking dish tightly with plastic wrap. Refrigerate for at least 4 hours, or preferably overnight. This step allows the bread to soak up the custard for the best texture.
  5. Bake: Preheat your oven to 350 degrees Fahrenheit (175 degrees Celsius). Remove the plastic wrap.
  6. Bake the casserole uncovered for 35 to 45 minutes, or until the casserole is puffed, golden brown, and the center is set.
  7. Ice the casserole: Remove the casserole from the oven. Immediately spread the reserved cream cheese icing packet over the hot surface. Let it sit for 5 minutes for the icing to melt slightly.
  8. Serve: Cut into squares and serve warm. This is a perfect sweet breakfast recipe for brunch gatherings.

Notes

  • For extra flavor, add 1/2 cup of chopped pecans or walnuts over the rolls before refrigerating.
  • If you are short on time, you can skip the overnight rest and bake immediately, but reduce the baking time slightly and expect a less uniform texture.
  • Use brioche bread cubes instead of canned rolls for a more homemade French toast bake feel.

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