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Easy Overnight Cinnamon Roll Casserole Recipe for Perfect Cozy Mornings

overnight cinnamon roll casserole - featured image

This easy overnight cinnamon roll casserole is a quick and comforting breakfast that combines cinnamon rolls with a custard soak, perfect for cozy mornings and crowd-pleasing brunches.

Ingredients

Scale
  • 1 (16 oz) package refrigerated cinnamon rolls (with icing included)
  • 4 large eggs, room temperature
  • 1 cup whole milk (240 ml) or any milk of choice, including almond or oat milk for dairy-free
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • Pinch of salt
  • Optional: 1/2 cup chopped nuts like pecans or walnuts

Instructions

  1. Preheat your oven to 350ยฐF (175ยฐC) and lightly grease your 9×13 inch baking dish.
  2. Cut the cinnamon rolls into quarters using a sharp knife.
  3. Place the cut cinnamon rolls evenly in the baking dish, spreading out the pieces.
  4. In a mixing bowl, whisk together the eggs, whole milk, vanilla extract, ground cinnamon, and a pinch of salt until fully combined and slightly frothy.
  5. Pour the egg mixture evenly over the cinnamon roll pieces in the baking dish and gently press down to soak evenly.
  6. Cover the dish tightly with plastic wrap or foil and refrigerate overnight or for at least 6 hours.
  7. The next morning, remove the casserole from the fridge and let it sit at room temperature for 10-15 minutes while the oven heats up.
  8. Bake uncovered for 35-40 minutes, or until the top is golden brown and the custard is set.
  9. Remove from oven and drizzle the included icing packet over the warm casserole. Optionally, mix the icing with a bit of cream cheese for a richer glaze.
  10. Let cool slightly before serving.

Notes

Do not skip the overnight soak for best texture. Use room temperature eggs and milk to avoid curdling. Cut cinnamon rolls into evenly sized pieces for even baking. Do not cover casserole while baking to maintain a golden crust. Adjust baking time if using a different size baking dish. Optional nuts can be added before baking for crunch. Leftovers keep well refrigerated for 3-4 days and can be reheated in microwave or oven.

Nutrition

Keywords: cinnamon roll casserole, overnight casserole, easy breakfast, cinnamon rolls, brunch recipe, cozy mornings, quick breakfast