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Kielbasa Sausage Cheesy Potato Casserole

If you're looking for the ultimate comfort food that combines savory, smoky flavors with creamy, cheesy goodness, this casserole is sure to become a family favorite. Its easy, one-bowl prep and adaptable ingredients make it perfect for weeknight dinners and feeding a crowd.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 4 servings
Course: Main Course
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

Ingredients
  • 1 pound smoked beef kielbasa sausage sliced into ½-inch pieces
  • 1 bag (32 oz/900g) frozen diced hash brown potatoes thawed
  • 1 can (10.5 oz/295g) cream of chicken soup (or cream of mushroom)
  • 1 cup sour cream
  • 2 cups shredded cheddar cheese divided; use 1½ cups in the mixture and reserve ½ cup for topping
  • ½ cup chopped green onions (or sautéed white onion)
  • ½ teaspoon garlic powder
  • ½ teaspoon black pepper
  • ½ teaspoon paprika
  • 2 tablespoons melted butter
  • 1 cup crushed cornflakes or Ritz crackers for topping (optional)

Equipment

  • 9x13-inch baking dish
  • Large mixing bowl
  • Oven

Method
 

  1. Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. In a large mixing bowl, combine 1 can of cream of chicken soup, 1 cup sour cream, 1½ cups shredded cheddar cheese (reserve ½ cup for topping), ½ cup chopped green onions, ½ teaspoon garlic powder, ½ teaspoon black pepper, and ½ teaspoon paprika. Stir until smooth.
  3. Fold in the thawed hash brown potatoes and gently mix in the sliced kielbasa sausage until evenly coated.
  4. Spread the mixture into your prepared baking dish and sprinkle the reserved ½ cup cheddar cheese evenly over the top.
  5. Optionally, mix 2 tablespoons melted butter with 1 cup crushed cornflakes or Ritz crackers, then scatter this crunchy mixture over the cheese.
  6. Bake in the preheated oven for 45-50 minutes, or until the casserole is hot, bubbly, and the topping is golden and crispy.

Notes

This casserole is a comforting and adaptable dish that combines smoky kielbasa with creamy potatoes and melted cheddar cheese for a truly satisfying meal. Its one-bowl prep minimizes cleanup, making it ideal for busy weeknights and gatherings. You can easily substitute the sausage, swap cheeses, or add extra vegetables to suit your taste. Leftovers reheat beautifully, making it a great option for lunch the next day.