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Easy Overnight Cinnamon Roll Casserole Recipe Perfect for a Cozy Morning

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A simple and indulgent cinnamon roll casserole that soaks overnight for a soft, custardy texture, perfect for cozy weekend breakfasts or holiday mornings.

Ingredients

Scale
  • 1 can (8 rolls) canned cinnamon rolls with icing included
  • 4 large eggs, room temperature
  • 1 cup (240 ml) whole milk or 2% milk
  • ⅓ cup (65 g) packed brown sugar
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon ground nutmeg (optional)
  • 2 tablespoons (28 g) melted butter
  • ½ cup (120 g) sour cream or Greek yogurt (can swap for dairy-free coconut yogurt)
  • Icing from cinnamon rolls plus extra powdered sugar and milk for drizzle (optional)

Instructions

  1. Unroll the canned cinnamon rolls and cut each into quarters.
  2. Spread the cinnamon roll pieces evenly in a greased 8×8-inch casserole dish.
  3. In a medium bowl, whisk together eggs, milk, brown sugar, vanilla extract, ground cinnamon, ground nutmeg (if using), melted butter, and sour cream or Greek yogurt until smooth.
  4. Pour the custard mixture evenly over the cinnamon rolls in the baking dish. Press down gently with a spatula to submerge the roll pieces.
  5. Cover the dish tightly with plastic wrap or foil and refrigerate for at least 6 hours or overnight.
  6. Preheat oven to 350°F (175°C). Remove casserole from fridge and bake uncovered for 35-40 minutes until the top is golden and custard is set.
  7. While still warm, drizzle the included icing packet over the top. For extra sweetness, mix powdered sugar with a splash of milk and drizzle additional glaze if desired.

Notes

Do not skip the overnight soak for best texture. Use room temperature eggs and milk for a smooth custard. Tent with foil if top browns too quickly. Warm icing slightly before drizzling for easier coverage. Variations include vegan substitutions, adding fruit or nuts, and adjusting spices or sugar.

Nutrition

Keywords: cinnamon roll casserole, overnight casserole, easy breakfast, cinnamon rolls, cozy morning recipe, make ahead breakfast