01 -
Spray the interior of the slow cooker with non-stick spray to prevent sticking.
02 -
In a bowl, combine melted butter, brown sugar, and cinnamon. Heat in the microwave, stirring occasionally, until the sugar dissolves (about 1 minute). Peel and dice apples into 1-inch pieces. Toss apples with the brown sugar mixture until evenly coated.
03 -
Whisk together softened cream cheese, softened butter, powdered sugar, milk, and ground cinnamon until smooth. Set aside.
04 -
In a medium bowl, whisk together heavy cream, egg, brown sugar, vanilla extract, and cinnamon until smooth. Cut each cinnamon roll into four pieces. Place half of the cinnamon roll pieces along the bottom of the slow cooker. Layer half the apple mixture over the top. Drizzle half of the cream mixture over the top. Repeat layering with the remaining cinnamon roll pieces, apple mixture, and cream mixture.
05 -
Cover the slow cooker and cook on low for 2 to 2.5 hours, or until the cinnamon rolls are fully cooked. Stir every 45 minutes if using a small slow cooker to ensure consistent cooking.
06 -
Drizzle the cooked cinnamon rolls with remaining cream cheese frosting. Serve warm by scooping individual portions into bowls.