Mary Berry’s Chestnut Mushroom Soup is a creamy, full-bodied dish made with chestnut mushrooms, onions, garlic, and stock. Chestnut mushrooms, known for their robust flavor and meaty texture, form the base of this soup. A touch of cream adds richness, while the mushrooms provide a hearty, earthy taste that makes this soup a comforting classic. It’s perfect for colder days and can be served with a variety of sides.