Portobello and chestnut mushrooms are cooked with shallots, cream and milk and seasoned with nutmeg in this delicious comfort food recipe. Sprinkle with extra fried mushrooms to serve. Cream of Mushroom Soup Prep time: 15 mins Cook time: 20 mins Total time: 35 mins Serves: 4 Ingredients 150g Portobello mushrooms, thinly sliced 150g Chestnut mushrooms,