Ham and Cheesy Egg Crepes with Mustard Sauce

Name: Ham and Cheesy Egg Crepes with Mustard Sauce
Ingredients: 1 1/2 cups whole milk; 1 cup all-purpose flour; 1 tablespoon sugar; 1/4 teaspoon coarse salt; 4 large eggs; 4 tablespoons unsalted butter, melted and cooled; 2 teaspoons finely chopped fresh parsley, plus whole parsley leaves, for garnish; 2 teaspoons finely chopped chives; 2 teaspoons finely chopped fresh dill; 1/4 cup creme fraiche; 1 tablespoon Dijon mustard; 1 tablespoon whole-grain mustard; Kosher salt and freshly ground black pepper; 1/2 cup grated Gruyere cheese; 16 thin slices Black Forest ham; 8 large eggs; 3 tablespoons unsalted butter