Warm up with this hearty Mushroom Soup recipe. Made with unsalted butter, onions, fresh mushrooms and rosemary. Easy step-by-step instructions included.
This Mushroom Soup relies on simple, everyday ingredients such as unsalted butter, onions, chopped, fresh mushrooms, sliced and dried rosemary, to taste. It comes together quickly and makes 4 servings, at about 450 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