Chicken Saltimbocca

Bahan-bahan (4 porsi)

• 8 chicken breast cutlets (or 4 medium chicken breasts, about 2 pounds (see notes))
• 1 teaspoon kosher salt
• 1 teaspoon ground black pepper (divided)
• 2 tablespoons all-purpose flour
• 1 ½ tablespoons minced fresh sage leaves (plus 8 (optional) fresh leaves for garnish)
• 8 thin slices prosciutto (about 3 ounces)
• 2 tablespoons extra virgin olive oil
• 3 tablespoons unsalted butter (divided)
• ½ cup dry white wine or vermouth or additional chicken broth
• ¾ cup reduced sodium chicken broth
• Pinch red pepper flakes