Classic Cheese Souffle

Name: Classic Cheese Souffle
Ingredients: 4 tablespoons unsalted butter, plus more, melted, for dish; 1 cup finely grated Parmesan cheese, plus more for dusting; 1 large shallot, finely chopped; 6 tablespoons all-purpose flour; 1 ½ cups milk; 2 tablespoons chopped fresh rosemary; 2 tablespoons chopped fresh thyme; Generous pinch of freshly grated nutmeg; Pinch of cayenne pepper; 1 cup grated Gruyere cheese; Coarse salt and freshly ground pepper; 6 large egg yolks plus 8 large egg whites, room temperature; Pinch cream of tartar (if not using a copper bowl)