01 -
Preheat oven to 175°C. Lightly grease a 23 × 33 cm baking dish.
02 -
In a large mixing bowl, blend cream of chicken soup, sour cream, 115 g shredded cheddar cheese, green onions, garlic powder, black pepper, and paprika until the mixture is smooth.
03 -
Add thawed hash brown potatoes to the bowl and stir until fully coated with the mixture.
04 -
Fold in sliced kielbasa sausage, ensuring even distribution.
05 -
Transfer the combined mixture into the prepared baking dish and spread evenly.
06 -
Sprinkle the remaining 55 g cheddar cheese over the top. For a crunchy finish, mix melted butter with crushed cornflakes or crackers and evenly scatter over the surface.
07 -
Bake uncovered for 40–45 minutes, until the casserole is bubbling and the topping is golden brown.
08 -
Remove from oven and let rest for 5 minutes before serving.