contents into a collander, catching liquid in a bowl. Then strain soup liquid again through a wire mesh strainer into a saucepan. Over high heat, boil and reduce soup for 5 minutes. Meanwhile, remove the mussel meat from most of the shells, leaving some mussel shells intact for serving as a side dish with the chopped vegetables. Pour the heavy cream into reduced soup. Whisk while maintaining the high heat. Add mussel meat slowly. Whisk gently. Then continue to stir with a soup ladle until it boils. Ladle soup into soup bowls. Add sprigs of chervil to top of soup for garnish. Serve the remaining mussels on the side with an array of the cooked chopped vegetables.