Preheat the oven to 200 degrees Celsius.
Soak the porcini in 2 ½ cups warm water to rehydrate. Drain and reserve the soaking water.
While the porcini are soaking heat the oil in an oven proof dish add the garlic and sweet potato and stir around to cover in the oil. Add the barley and stir through. Add the porcini, thyme and porcini water, and season with salt and pepper.
Cover the pan and place in the oven for 25 minutes. Remove from the heat and add Brussels sprouts and pumpkin.
Place the pan back in the oven and cook for a further 20 minutes. Remove from the heat
Stir through the parsley and serve with tamari.
Note: Thyme is traditionally used to help ease respiratory conditions such as bronchitis, laryngitis and pharyngitis.