Tuscan Salmon
### Ingredients - 4 (5-ounce) salmon filets - Salt and freshly ground black pepper, to taste - 1 tablespoon olive oil - 1 tablespoon unsalted butter - 2 or 3 short rosemary sprigs, plus more for garnish - ⅓ cup chopped prosciutto - 1 green onion, finely chopped - 1 to 2 garlic cloves, minced ...