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One-Pot Sausage and Potato Casserole Recipe

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4.8 from 131 reviews

A hearty and comforting one-pot sausage and potato casserole featuring smoky kielbasa, tender baby potatoes, fresh broccoli, and a melty cheddar cheese topping baked to perfection in the oven.

Ingredients

Main Ingredients

  • 1 tablespoon olive oil
  • 1 pound smoked sausage or kielbasa, sliced
  • 1 onion, diced
  • 2 cloves garlic, minced
  • 4 cups baby potatoes, halved
  • 2 cups broccoli florets
  • 1 cup chicken broth
  • 1 teaspoon Italian seasoning
  • Salt and pepper, to taste
  • 1 cup shredded cheddar cheese

Instructions

  1. Preheat oven: Preheat your oven to 375°F (190°C) to prepare for baking the casserole.
  2. Brown the sausage: Heat olive oil in a large oven-safe pot over medium heat. Add the sliced smoked sausage or kielbasa and cook until nicely browned, about 5 minutes. Remove the sausage from the pot and set aside.
  3. Sauté aromatics: In the same pot, add the diced onion and minced garlic. Sauté until softened and fragrant, approximately 3 minutes, while stirring occasionally.
  4. Add vegetables and seasonings: Stir in the halved baby potatoes, broccoli florets, chicken broth, Italian seasoning, salt, and pepper. Bring the mixture to a gentle simmer on the stovetop.
  5. Bake the casserole: Return the browned sausage to the pot, cover it with a lid, and transfer the pot to the preheated oven. Bake for 25 to 30 minutes, or until the potatoes are fork-tender.
  6. Add cheese and finish baking: Carefully remove the pot from the oven, sprinkle the shredded cheddar cheese evenly on top, and return to the oven uncovered. Bake an additional 5 minutes until the cheese is melted and bubbly.
  7. Serve: Remove from the oven and serve the casserole hot for a delicious and wholesome meal.

Notes

  • You can substitute smoked sausage with kielbasa or any favorite sausage for different flavor variations.
  • Baby potatoes can be replaced with fingerlings or red potatoes, but adjust bake time if needed.
  • For a spicier dish, add a pinch of crushed red pepper flakes with the Italian seasoning.
  • If you prefer softer broccoli, add it earlier during the simmering step.
  • This casserole can be prepared a day ahead; just refrigerate after step 4 and bake when ready.