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Overnight Cinnamon Roll Casserole

Overnight Cinnamon Roll Casserole

With this Overnight Cinnamon Roll Casserole, your morning transforms into a calm, cinnamon-scented celebration, no bakery run required.

  • Total Time: 43 minute
  • Yield: 10–12 servings 1x

Ingredients

Scale

Overnight Cinnamon Roll Casserole Ingredients:

  • 12 eggs
  • 1 ½ cups milk
  • 2 tablespoons ground cinnamon, divided
  • 1 tablespoon pure vanilla extract
  • 1 loaf challah bread, cubed
  • ¼ cup butter, melted
  • ¼ cup firmly packed brown sugar
  • 1 batch cream cheese icing (see below)

Cream Cheese Icing Ingredients:

  • 4 ounces cream cheese, softened
  • 1 cup powdered (confectioners’) sugar, sifted
  • 1 teaspoon pure vanilla extract
  • 1–3 teaspoons milk, as needed

Instructions

  1. Mix the Custard Base: In a large bowl, whisk the eggs, milk, 1 tablespoon ground cinnamon, and vanilla until well combined. The mixture should look smooth and lightly foamy.
  2. Soak the Bread: Add the cubed challah and toss gently until each piece is coated. Because challah is tender, fold with care to preserve cubes.
  3. Load the Pan and Chill: Lightly coat a 13×9-inch baking dish with cooking spray. Pour in the soaked bread and spread it into an even layer. Cover and refrigerate for at least 4 hours, or overnight for best results.
  4. Preheat and Prepare the Drizzle: When you’re ready to bake, heat the oven to 350°F. In a small bowl, whisk melted butter, brown sugar, and the remaining 1 tablespoon cinnamon until smooth and glossy.
  5. Dress the Casserole: Drizzle the cinnamon-butter mixture evenly over the chilled casserole, letting it seep between the cubes. This step creates that signature gooey cinnamon-roll effect.
  6. Bake to Perfection: Bake uncovered for 25–30 minutes, or until puffed, set in the center, and lightly golden on top. The edges should look caramelized and fragrant.
  7. Cool Briefly: Transfer to a wire rack and let the Overnight Cinnamon Roll Casserole rest for 5–10 minutes. This short pause allows the custard to settle.
  8. Make the Cream Cheese Icing: In a clean bowl, whisk softened cream cheese, powdered sugar, and vanilla until smooth. Add milk, 1 teaspoon at a time, until the icing is pourable yet thick.
  9. Finish and Serve: Drizzle the cream cheese icing over the warm casserole. Slice into squares and serve immediately, with extra icing on the side if you like.
  • Author: Sanji
  • Prep Time: 15 minutes (plus 4 hours to overnight chilling)
  • Cook Time: 25–30 minutes