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Easy Cinnamon Roll Casserole Overnight Bake Recipe for Perfect Breakfast

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A quick and easy overnight cinnamon roll casserole that delivers a tender, custardy, and gooey breakfast treat perfect for busy mornings or gatherings.

Ingredients

Scale
  • 1 package (12 count) refrigerated cinnamon rolls with icing
  • 6 large eggs, room temperature
  • 1 cup (240 ml) whole milk
  • 1/2 cup (100 g) granulated sugar
  • 1 teaspoon pure vanilla extract
  • 1/2 teaspoon ground cinnamon
  • Pinch of salt
  • Optional toppings and mix-ins:
  • 1/2 cup chopped pecans or walnuts
  • 1/2 cup raisins or dried cranberries
  • Additional cinnamon sugar sprinkle

Instructions

  1. Preheat oven to 350°F (175°C) if baking immediately, or skip if doing an overnight bake.
  2. Open the cinnamon roll package and cut each roll into quarters.
  3. In a large bowl, whisk together eggs, milk, sugar, vanilla extract, ground cinnamon, and salt until smooth.
  4. Grease a 9×13-inch baking dish lightly with butter or non-stick spray.
  5. Spread chopped cinnamon rolls evenly in the dish.
  6. If using, sprinkle nuts or dried fruit on top.
  7. Pour custard mixture evenly over cinnamon rolls, pressing down gently to soak all pieces.
  8. Cover tightly with plastic wrap or foil and refrigerate overnight or at least 6 hours.
  9. Remove from fridge and let sit at room temperature for 15 minutes while oven preheats to 350°F (175°C).
  10. Bake uncovered for 35-40 minutes until top is golden and custard is set.
  11. Drizzle included cinnamon roll icing over casserole while still warm.
  12. Let cool slightly before serving.

Notes

Use room temperature eggs and milk for best custard texture. Do not skip the overnight soak for optimal tenderness. Cover tightly while refrigerating to prevent odors and drying. Check doneness carefully to avoid overbaking. Can be baked immediately without soaking but texture will be less custardy. Double recipe for larger groups and adjust baking time accordingly. Can be made gluten-free and dairy-free with substitutions. Slow cooker method possible (3-4 hours on low).

Nutrition

Keywords: cinnamon roll casserole, overnight bake, easy breakfast, brunch recipe, cinnamon rolls, custard bake, quick breakfast, crowd-pleaser