Gruyere, Arugula and Prosciutto Stuffed Chicken Breasts

Bahan-bahan (6 porsi)

• 6 halves (24-ounces) chicken breast
• 6 slices (3-ounces) prosciutto
• 6 slices (3-ounces) Gruyere cheese
• 1½ cups arugula, (stems cut off)
• ½ teaspoon salt
• ½ teaspoon black pepper
• 3 tablespoons all purpose flour
• 1 tablespoon olive oil