Slow-Cooker Cinnamon Roll Casserole with Cream Cheese Icing Step-by-step instructions

Before you start

Before starting, make sure the slow cooker is clean and dry. Grease the inside with butter or nonstick spray—this prevents sticking and helps create a golden crust. Open the cans of cinnamon rolls and separate the icing tubs; set them aside at room temperature so they are easier to drizzle later.

On a cutting board, quarter each roll into four pieces. Whisk the eggs, heavy cream, maple syrup, and cinnamon in a bowl until smooth. Have all ingredients measured and ready, as the process moves quickly once the rolls are opened.

Instructions

Prep and assemble

1. 1Grease and quarter the rolls
   Grease the inside of a 6-quart slow cooker with butter or nonstick spray. Open the cans of refrigerated jumbo cinnamon rolls. Set the icing tubs aside. On a cutting board, quarter each cinnamon roll into four pieces. Place the pieces in the slow cooker in an even layer.
   Look for The slow cooker bottom is covered with a single layer of cinnamon roll pieces.
   Tip Work quickly so the rolls stay cold; cold rolls hold their shape better during the slow cook.
2. 2Make the maple custard
   In a mixing bowl, whisk together the eggs, heavy cream, maple syrup, and ground cinnamon until fully combined and smooth. The mixture should be a uniform light brown color with no streaks of egg.
   Look for The custard is smooth and evenly colored, with the cinnamon fully dispersed.
   Tip Whisking thoroughly prevents pockets of raw egg in the finished casserole.
3. 3Pour the custard over the rolls
   Pour the custard evenly over the cinnamon roll pieces in the slow cooker. Use a rubber spatula to gently press the rolls down so they are mostly submerged in the custard. The rolls will absorb the liquid as they cook.
   Look for The rolls are coated and the custard fills the gaps between pieces.
   Tip Don't stir after pouring; stirring can break the rolls and make the texture mushy.

At the end of this phase, the slow cooker is greased, the cinnamon rolls are quartered and evenly spread in the bottom, and the custard is whisked smooth.

The custard should be poured over the rolls, with the pieces mostly submerged. The slow cooker is covered and ready to turn on. The kitchen smells of cinnamon and maple, and the rolls are cold and intact.

Slow-cook to puffed perfection

4. 4Slow-cook on low
   Cover the slow cooker with the glass lid. Cook on LOW for 2 1/2 hours, or until the cinnamon roll pieces are puffed, golden, and set in the center. The edges will look caramelized and the custard will be bubbling around the sides.
   Look for The top is golden brown, the rolls are puffed, and the custard is bubbling at the edges.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip Avoid lifting the lid during cooking—each peek releases heat and extends the cook time.
5. 5Check for doneness
   Check that the internal temperature of the custard reaches 160°F (71°C) to ensure the eggs are fully set. The rolls should spring back lightly when touched, and the center should not be wet or jiggly. If needed, cook for an additional 15 to 20 minutes.
   Look for A thermometer inserted into the center reads 160°F (71°C) and the rolls are puffed and golden.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip If the edges are browning too quickly but the center isn't set, turn the slow cooker to WARM and let it sit for 10 minutes.

After 2 1/2 hours on low, the casserole should be puffed, golden, and set. The edges will have caramelized, and the custard will be bubbling around the sides. The internal temperature should read 160°F (71°C). The aroma is intensely cinnamon and buttery, with a hint of maple. The top is golden brown, and a gentle press on a roll shows it springs back.

Finish and serve

6. 6Swirl with warm cream cheese icing
   While the casserole is still hot, open the reserved tubs of cream cheese icing. If the icing is too thick to drizzle, microwave it in a small bowl for 10 to 15 seconds. Use a spoon or spatula to swirl the icing over the top of the casserole, creating ribbons of creamy glaze.
   Look for The icing melts slightly into the warm rolls, creating glossy streaks.
   Tip Swirl the icing in a figure-eight motion for even coverage without mixing it into the casserole.
7. 7Serve warm
   Let the casserole rest for 5 minutes so the icing sets slightly. Use a large spoon or spatula to scoop out portions, making sure to get some of the caramelized edges and gooey center. Serve warm, directly from the slow cooker.
   Look for The casserole holds its shape when scooped, with soft, pull-apart pieces.
   Tip For clean portions, use a serrated knife or bench scraper to cut the casserole before scooping.

The warm cream cheese icing is swirled over the hot casserole, melting into the crevices. The casserole rests for 5 minutes, allowing the icing to set slightly. When scooped, the pieces pull apart easily, with a gooey, tender interior and caramelized edges. The icing is glossy and creamy, and each bite tastes like a Cinnabon.

Common mistakes

The most common mistake is lifting the lid too often during cooking. Each time the lid is removed, heat escapes, which can extend the cook time and lead to uneven results. Another mistake is overmixing the custard or stirring the rolls after pouring the custard, which can break the rolls and create a mushy texture.

Using a slow cooker that's too large or too small can also cause problems. Finally, skipping the internal temperature check can leave the eggs undercooked—always use a thermometer to ensure the custard reaches 160°F (71°C).

How to tell it’s done

The casserole is done when the internal temperature of the custard reaches 160°F (71°C) on an instant-read thermometer inserted into the center. The top should be puffed and golden brown, with the edges looking caramelized and slightly crisp.

The center should not be wet or jiggly—when you gently press on a roll, it should spring back. The custard should be set and not runny. If the edges are browning too quickly but the center isn't done, reduce the slow cooker to WARM and let it sit for 10 to 15 minutes, then check again.

• Egg dishes: 160°F (71°C) in the thickest part