Try this homemade Irish Potato Casserole recipe the whole family will love. Made with red potatoes, sour cream, cream of mushroom soup and green onions.…
This Irish Potato Casserole relies on simple, everyday ingredients such as medium-sized red potatoes, carton sour cream, cream of mushroom soup and chopped green onions. It comes together quickly and makes 4 servings, at about 497 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