10 tablespoons softened unsalted butter |
2 tablespoons finely grated parmigiano-reggiano cheese |
2 tablespoons minced fresh parsley leaves |
1 tablespoon lemon juice |
2 teaspoons minced garlic |
1 teaspoon minced fresh chives |
1/2 teaspoon hot sauce (optional) |
1/2 teaspoon salt |
1/4 teaspoon cayenne pepper |
24 shucked oysters, half of each shell reserved and washe |