Hot Mussels on the Half-Shell

• 2 pounds mussels
• 2 tablespoons olive oil
• ½ cup

Heat the oven to 400°F, with a rack in the upper third. Scrub and debeard the mussels.

Heat 1 tablespoon of the olive oil in a wide deep skillet over high heat. Add the mussels, cover, and let steam open, 3 to 4 minutes. Let cool, then remove and discard the top shells, leaving the mussels a