Cinnamon Roll Casserole – Easy, Cozy, Best Ever Brunch Bake

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Cinnamon roll casserole in a baking dish with icing drizzle

Golden cinnamon roll casserole with tender custardy centers and a sweet icing drizzle.

This Cinnamon Roll Casserole is cozy, gooey, and perfect for weekends, holidays, and easy brunch gatherings. It has that classic cinnamon roll flavor, but in a scoopable casserole that feeds a crowd. It’s a total “everyone asks for the recipe” kind of bake.

The standout trick is pouring a simple egg custard over the cinnamon roll pieces. That turns the inside tender and rich, while the top gets lightly crisp and golden.

Why You’ll Love This Cinnamon Roll Casserole

  • Better than bakery: Gooey cinnamon flavor with custardy softness.
  • Feeds a crowd: Perfect for brunch and holidays.
  • Super easy: Shortcut dough with big homemade vibes.
  • Make-ahead friendly: Assemble the night before.
  • Kid-approved: Sweet, cozy, and fun to scoop.

Ingredients for the Best Cinnamon Roll Casserole

Cinnamon roll dough, eggs, milk, and baking dish for casserole
Cinnamon rolls plus a quick custard make the easiest brunch casserole
  • Cinnamon roll dough: Refrigerated works great; use the icing packet too.
  • Eggs: Set the custard and help it bake evenly.
  • Milk: Adds moisture; half-and-half makes it richer.
  • Vanilla extract: Warm flavor.
  • Cinnamon: Extra cozy spice.
  • Brown sugar: Adds caramel notes; optional but delicious.
  • Butter: Helps the top brown and adds richness.

Cinnamon Roll Casserole Recipe Step-by-Step

Four panel collage showing cutting rolls, whisking custard, baking, and icing drizzle
Cut, whisk, pour, bake, and drizzle icing
  • 1. Preheat oven to 350°F and butter a 9×13-inch baking dish.
  • 2. Cut cinnamon rolls into bite-size pieces and spread evenly in the dish.
  • 3. Whisk eggs, milk, vanilla, cinnamon, and brown sugar until smooth.
  • 4. Pour custard over the rolls and gently toss so pieces are coated. Dot with small pieces of butter.
  • 5. Bake 28–35 minutes until the center is set and the top is golden.
  • 6. Cool 10 minutes, then drizzle with the icing packet. If icing is thick, warm it for a few seconds so it drizzles easily.

Tips for Perfect Cinnamon Roll Casserole

  • Don’t overbake—pull when just set for gooey centers.
  • Let it cool a bit before icing so it doesn’t melt completely.
  • For extra crisp edges, bake in a metal pan.
  • If the top browns too fast, tent with foil near the end.

Variations & Substitutions

  • Add fruit: Fold in blueberries or diced apples.
  • Add crunch: Sprinkle chopped pecans on top before baking.
  • Lighter: Use low-fat milk (still tasty, just less rich).

Make-Ahead & Freezing

Make-ahead: Assemble, cover, and refrigerate overnight. Bake in the morning (add 3–5 minutes). Store leftovers in the fridge up to 4 days and reheat. Freezing is possible up to 2 months, but texture is best fresh.

Serving Suggestions

  • Serve with fruit salad for balance.
  • Add coffee or hot tea for brunch.
  • Top with a dollop of Greek yogurt for a tangy contrast.

Reader Review

This was the easiest holiday breakfast ever. Everyone went back for seconds.

Cinnamon Roll Casserole Recipe Card

Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Yield: 10 servings
Category: Breakfast
Method: Baking
Cuisine: American
Diet: Vegetarian

Leave a rating and comment—would you add fruit, or keep it classic cinnamon?

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