Prosciutto Wrapped Roughy

Bahan-bahan (4 porsi)

• Two ½-inch thick orange roughy or cod fillets
• Four 2-inch sprigs fresh rosemary ((or 2 teaspoons dried rosemary, crushed))
• 4 slices thinly sliced prosciutto ((or thinly sliced cooked ham))
• 3 tablespoons freshly squeezed lemon juice
• freshly ground black pepper