Tomales Bay Oysters Rockefellar Recipe | Epicurious

Ingredients

• 1 small leek (white and pale-green parts only), coarsely chopped
• 1 large shallot, coarsely chopped
• 1 garlic clove, coarsely chopped
• 1 large bunch watercress, coarsely chopped (about 4 cups packed)
• 1/4 cup (1/2 stick) unsalted butter
• Kosher salt and freshly ground black pepper
• 1/2 cup finely grated Gruyère
• 1/2 cup heavy cream
• 1/4 cup finely chopped flat-leaf parsley
• 24 large oysters, freshly shucked, on the half shell, with juices