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This Firehouse Cheesy potato casserole relies on simple, everyday ingredients such as whole potato, ragu cheese sauce, kielbasa sausage cubed and mixed cheese. It comes together quickly and makes 4 servings, at about 2251 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026
Serves 4
Meat & Poultry
Servings:
persons