Oysters in Port Sauce - With meat

1 dozen oyster, with shells (preferably Maryland oysters) rock salt (optional) 2 tablespoons olive oil 3 slices prosciutto , chopped (1 or 2 ounces) 1 garlic[...]

1/2 cup dry white wine 1 tablespoon sherry wine vinegar 1 shallot , finely chopped white pepper salt , as needed 1 Place wine and vinegar in saucepan and[...]