01 -
Preheat oven to 350°F (176°C). Lightly grease a 9×13-inch (33×23 cm) baking dish.
02 -
Cut baked russet potatoes into 1-inch cubes once fully cooled.
03 -
Arrange half of the cubed potatoes in an even layer in the prepared baking dish.
04 -
Distribute half of the shredded rotisserie chicken evenly over the potatoes.
05 -
Whisk together sour cream and whole milk until fully combined and smooth.
06 -
Drizzle half of the cream mixture evenly over the layered chicken and potatoes.
07 -
Sprinkle half of the shredded cheddar, chopped green onions, and beef bacon bits over the top. Season lightly with salt and black pepper.
08 -
Repeat all previous layers with remaining potatoes, chicken, cream mixture, cheese, green onions, and beef bacon. Season again to taste.
09 -
Cover the dish with foil and bake for 35 to 40 minutes, or until hot and bubbling throughout.
10 -
Remove foil and bake an additional 5 to 10 minutes until the surface is golden and crisp.
11 -
Let stand for 5 minutes before serving to allow ingredients to set.