Warm up with this hearty Mam's Leftover Potato Soup recipe. Made with potatoes, onion, stalks celery and olive oil. Easy step-by-step instructions inclu…
This Mam's Leftover Potato Soup relies on simple, everyday ingredients such as potatoes, mashed, large onion, chopped, stalks celery, chopped and olive oil. It comes together quickly and makes 4 servings, at about 602 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