Warm up with this hearty Mushroom Barley Soup (Slow Cooker) recipe. Made with vegetable stock, mushrooms, pearl barley and margarine. Easy step-by-step …
This Mushroom Barley Soup (Slow Cooker) relies on simple, everyday ingredients such as vegetable stock, sliced mushrooms (fresh), pearl barley and dairy-free margarine. It comes together quickly and makes 4 servings, at about 70 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