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Easy Overnight Cinnamon Roll Casserole Recipe for the Best Cozy Breakfast

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An effortless overnight cinnamon roll casserole that combines store-bought cinnamon rolls with a rich custard, baked to gooey perfection and topped with a creamy glaze. Perfect for cozy weekend mornings or holiday breakfasts.

Ingredients

Scale
  • 1 (12 oz / 340 g) package store-bought cinnamon rolls (Pillsbury classic recommended)
  • 4 large eggs, room temperature
  • 1 cup (240 ml) whole milk or 2% milk
  • 1/3 cup (67 g) granulated sugar
  • 1 tsp pure vanilla extract
  • 1/2 tsp ground cinnamon
  • Pinch of salt
  • Optional topping:
  • 1/2 cup (120 g) cream cheese, softened
  • 1/4 cup (30 g) powdered sugar
  • 23 tbsp milk (to thin the icing)
  • Optional add-ins: chopped pecans or walnuts, raisins, brown sugar

Instructions

  1. Remove cinnamon rolls from package and cut each into quarters.
  2. Place cinnamon roll pieces evenly in a greased 9×13 inch baking dish.
  3. In a medium bowl, whisk together eggs, milk, sugar, vanilla extract, ground cinnamon, and salt until smooth.
  4. Pour custard mixture evenly over cinnamon roll pieces, pressing down gently to ensure absorption.
  5. Cover dish tightly with plastic wrap or foil and refrigerate overnight (or at least 2 hours).
  6. Preheat oven to 350°F (175°C). Bake casserole uncovered for 30-35 minutes until top is golden and custard is set.
  7. While baking, mix cream cheese, powdered sugar, and milk until smooth to make glaze.
  8. Let casserole cool for 5 minutes after baking, then drizzle glaze over the top and serve warm.

Notes

Use room temperature eggs for smooth custard. Do not skip cutting rolls into quarters for even soaking. Tent with foil if top browns too fast. Overnight soak is best for texture but minimum 2 hours acceptable. For dairy-free, substitute milk and cream cheese with plant-based alternatives.

Nutrition

Keywords: cinnamon roll casserole, overnight breakfast, easy cinnamon rolls, cozy breakfast, cinnamon custard bake