1 Soak the barley for 2 hours in warm water.
2 Preheat the oven to 180Â°C, 350Â°F,gas4.
3 Heat the butter in a frying pan (skillet) and saute the onion, mushrooms and barley.
Season with salt and pepper and stir until the barley has browned slightly.
4 Place in a casserole and add the vegetable stock.
5 Cover and bake for1 hour until the barley is cooked, but is still slightly crunchy