Warm up with this hearty Potato And Mushroom Soup Casserole recipe. Made with potatoes, onion, green pepper and salt. Easy step-by-step instructions inc…
This Potato And Mushroom Soup Casserole relies on simple, everyday ingredients such as medium sized cooked potatoes, finely chopped onion, finely chopped green pepper and salt. It comes together quickly and makes 4 servings, at about 255 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