Preheat oven to 350F
Spray a 11x7 baking dish with nonstick cooking spray
In a large bowl, combine hash browns, half of the bacon and cheese, cream of chicken soup, sour cream, and butter
Mix well and spread evenly into baking dish
Bake 50-55 minutes or until potatoes are tender
Top with remaining bacon and cheese and return to oven to bake for an additional 5 minutes or until cheese is melted
Remove from oven and top with green onions. Serve and enjoy