Easy Paleo Chicken Marsala

Ingredients (11)

• + 4 skinless, boneless chicken breast halves add to pantry
• + sea salt and ground black pepper to taste add to pantry
• ✓ sea salt and ground black pepper to taste
• + 1 tablespoon extra-virgin olive oil, or more as needed add to pantry
• ✓ 2 tablespoons unsalted butter, divided
• + 6 (1 ounce) slices prosciutto, cut into thirds add to pantry
• + 1 small shallot, minced add to pantry
• + 8 ounces crimini mushrooms, stemmed and halved add to pantry
• + ½ cup sweet Marsala wine add to pantry
• + ½ cup chicken stock add to pantry
• + ¼ cup chopped flat-leaf parsley add to pantry