You may have noticed that mussels are having a bit of a moment. If tasting the sheer flavor of the sea isn't reason enough for you to eat these briny bivalves, also remember that they're both incredibly affordable and a surefire sustainable seafood option.

Mussels are often served in a white wine broth or flavored with chorizo, but I love the unusual idea of them starring in a gratin. You'll learn how to execute this creative preparation when you read more