Cinnamon roll casserole is an easy breakfast casserole made with canned cinnamon roll dough, eggs, cream, cinnamon and icing. It takes just 5 minutes to prep and bakes in 30 minutes. Using Pillsbury cinnamon roll dough as a shortcut keeps things simple, making this a great breakfast for Christmas morning, holiday brunch, or weekends. You can even prep it ahead of time to keep your morning free and easy.
Prepare baking dish and oven. Melt butter and coat a 9x12 baking dish with the melted butter. Note: there will be a generous amount of butter!Preheat oven to 350ºF.
Make egg coating. In a bowl, beat together eggs, cream, flour, cinnamon sugar, salt, vanilla, and nutmeg (optional).
Slice dough. Open canned cinnamon rolls, slice each cinnamon roll like a pizza, into eighths.
Coat dough. Place cinnamon roll pieces into the bowl of egg mixture and toss to thoroughly coat.
Add dough to pan. Pour dough pieces, coated in egg mixture, into the greased baking dish and spread out evenly. Any remaining egg mixture. Pour or brush egg mixture on top of areas that look like they might get dry.
Add pecans. (optional) Sprinkle dough with chopped pecans.
Bake. Place casserole dish on the center rack of the oven and bake for 18-25 minutes or until pieces of dough are light golden brown. (See notes)
Add icing. When all dough is set, remove casserole from oven and let cool for 5-10 minutes to prevent icing from absorbing into the dough.Warm icing from cinnamon rolls in microwave for 15 seconds; pour evenly over cinnamon roll pieces.
Add extras. (optional) Sprinkle with powdered sugar or top with maple syrup if desired. Serve warm. Enjoy!
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Notes
Check for doneness. Bake time can vary depending on your pan and the size of the cinnamon rolls. Check a piece in the center—it should be fully cooked with no raw dough. Smaller or deeper pans may need more time.
For a softer casserole, loosely cover with foil while baking to help retain moisture.
Add a pinch of salt to the egg and cream mixture to balance the sweetness and enhance the flavors.