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Kielbasa Sausage Cheesy Potato Casserole

This hearty Kielbasa Sausage Cheesy Potato Casserole combines savory smoked sausage with creamy potatoes and gooey cheese, making it a satisfying dish for any gathering. Perfect as a comforting main course or a side dish, this casserole is sure to please family and friends alike.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Main Course
Cuisine American
Servings 4 People
Calories 420 kcal

Equipment

  • 1 9x13 inch baking dish
  • 1 Large mixing bowl
  • 1 Skillet
  • 1 Aluminum foil
  • 1 Cutting board
  • 1 set Measuring cups and spoons

Ingredients
  

  • 1 lb Kielbasa sausage, sliced
  • 4 medium potatoes, thinly sliced
  • 2 cups shredded cheddar cheese
  • 1 cup sour cream
  • ½ cup milk
  • 1 medium onion, diced
  • 2 cloves garlic, minced
  • 1 teaspoon paprika
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon dried thyme
  • 1 tablespoon olive oil

Instructions
 

  • Preheat your oven to 350°F (175°C).
  • In a skillet, heat olive oil over medium heat. Add the diced onion and garlic, sautéing until they are softened and fragrant, about 3-4 minutes.
  • Add the sliced Kielbasa sausage to the skillet and cook until browned, about 5-6 minutes. Remove from heat and set aside.
  • In a large mixing bowl, combine the sour cream, milk, paprika, salt, black pepper, and thyme. Mix well to create a creamy sauce.
  • Lightly grease the baking dish with non-stick cooking spray. Layer half of the sliced potatoes on the bottom of the dish.
  • Spread half of the Kielbasa mixture over the potatoes, followed by half of the creamy sauce. Sprinkle a layer of shredded cheddar cheese on top.
  • Repeat the layers with the remaining potatoes, Kielbasa mixture, creamy sauce, and finish with the remaining cheddar cheese on top.
  • Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes.
  • Remove the foil and bake for an additional 15 minutes, or until the cheese is bubbly and the potatoes are tender.
  • Let the casserole cool for a few minutes before serving.

Notes

For an extra kick, add some chopped bell peppers or jalapeños to the Kielbasa mixture.
This casserole can be made ahead of time and stored in the refrigerator for up to 24 hours before baking. Just add a few extra minutes of baking time if baking straight from the fridge.
Leftovers can be stored in an airtight container in the fridge for up to 3 days and reheated in the oven or microwave.