Baked Cheesy Chicken Penne

INGREDIENTS

• 6 tablespoon(s) butter, plus more for baking dishes
• kosher salt and black pepper
• 1 pound(s) penne rigate
• 1 teaspoon(s) olive oil
• 2 boneless, skinless chicken breast halves
• 1/2 cup(s) plus 2 tablespoons flour
• 6 garlic cloves, finely minced
• 6 cup(s) whole milk
• 10 ounce(s) white or cremini mushrooms, trimmed and thinly sliced
• 1 cup(s) sliced oil packed sun dried tomatoes, drained
• 1 1/2 cup(s) shredded provolone
• 1 1/2 cup(s) freshly grated parmesan