Classic mushroom cream soup is prepared with cream, champignons and garlic, but the dish can be supplemented with potatoes. Then the soup will have a thicker consistency, brighter taste, and will also be more satisfying. Cream soup of champignons with potatoes is prepared in several stages. First, the vegetables are fried in a saucepan, then stewed with cream, and finally whipped to a soft puree. You can serve the soup with a baguette.