Preheat oven to 400 degrees. Prep baking dish with cooking spray.
Add potatoes to the baking dish. Add butter, paprika, garlic powder,salt, and pepper into a small bowl. Stir to combine.
Cook potatoes at 400 degrees for 45-50 minutes or until tender.
Add the chicken to the remaining bacon grease in the skillet.
Cook on medium heat until completely cooked - about 8 minutes.
Layer the chicken, bacon pieces, and green onions on top.
Optionally top each plate with casserole with sour cream and green onions.