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Sausage Potato Casserole is a comforting family favorite.

This Slow Cooker Sausage and Potato Casserole is the ultimate comfort food—easy, hearty, and packed with cheesy goodness. Tender hash browns, smoky kielbasa, and a creamy, flavorful sauce all come together in the slow cooker for a fuss-free family dinner that practically makes itself!
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Prep Time 10 minutes
Servings: 6 servings
Course: Casserole, Main Course
Cuisine: American
Ingredients Method Notes

Ingredients
  

  • 32 oz frozen diced hash brown potatoes or substitute fresh diced potatoes
  • 14 oz kielbasa sausage sliced or cut into small pieces
  • 1 small onion diced
  • 2 1/2 cups shredded cheddar cheese
  • 10.5 oz can cream of mushroom soup
  • 1/2 cup sour cream
  • 1 teaspoon Creole seasoning or your favorite seasoning blend
  • Salt and pepper to taste

Method
 

Slow Cooker Method:
  1. Mix the Base:Lightly grease the inside of your slow cooker. Add the hash brown potatoes, kielbasa, diced onion, and 2 cups of the shredded cheddar cheese.
  2. Make the Creamy Mixture:In a separate bowl, whisk together the cream of mushroom soup, sour cream, Creole seasoning, salt, and pepper.
  3. Combine Everything:Pour the creamy mixture over the contents in the slow cooker. Gently stir until everything is well coated.
Top and Cook:Sprinkle the remaining 1/2 cup of shredded cheese on top.Cover and cook:
  1. On LOW for 6 hours, or
  2. On HIGH for 4 hoursThe casserole is ready when the potatoes are tender and the cheese is bubbly.
Optional Oven Method:
  1. Preheat oven to 350°F (175°C).
  2. Combine all ingredients in a large bowl and mix thoroughly.
  3. Transfer mixture to a greased 9×13-inch casserole dish.
  4. Bake uncovered for 30 minutes, or until bubbly and golden on top.

Notes

  • Sautéing the sausage and onions before adding to the slow cooker can enhance the depth of flavor.
  • Fresh potatoes can be used instead of frozen, but they may require a slightly longer cooking time.
  • Add diced bell peppers or peas for extra color and texture.
  • Leftovers reheat beautifully the next day!