Warm up with this hearty Portabella Mushroom Soup Slow Cooker recipe. Made with butter, portabella mushroom, garlic and onion. Easy step-by-step instruc…
This Portabella Mushroom Soup Slow Cooker relies on simple, everyday ingredients such as butter, portabella mushroom, garlic cloves, crushed and onion, finely chopped. It comes together quickly and makes 4 servings, at about 230 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