Try this homemade Microwave Cheesy Potato Casserole recipe the whole family will love. Made with onion, Swiss cheese, Parmesan and cream of celery soup.…
This Microwave Cheesy Potato Casserole relies on simple, everyday ingredients such as chopped onion, swiss cheese, shredded, grated parmesan and pepper. It comes together quickly and makes 4 servings, at about 215 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026