Chicken And Broccoli Stuffed Shells With Alfredo Sauce

[12] oz box jumbo pasta shells

prepared peppercorn ranch or ranch dressing

onion and chive cream cheese softened

dry Italian seasoning

red pepper flakes

rotisserie chicken, chopped

steamed broccoli florets, roughly chopped

grated Parmesan cheese

garlic salt and black pepper

shredded mozzarella cheese, divided

[16] oz prepared Alfredo sauce

chopped Italian parsley for garnishing