01 -
Preheat oven to 350°F (175°C).
02 -
In a large mixing bowl, combine melted butter, cream of chicken soup, sour cream, chicken broth, salt, and black pepper. Stir until smooth.
03 -
Add cooked, chopped chicken to the sauce and mix to coat evenly.
04 -
Fold in cooked linguini, carefully mixing to combine all ingredients.
05 -
Transfer the mixture to a 9×13-inch glass baking dish and spread evenly.
06 -
Top with shredded mozzarella cheese and sprinkle with grated Parmesan cheese.
07 -
Bake in preheated oven for 40 minutes, or until the cheese is golden and bubbling.
08 -
Remove from oven and let rest for 5 to 10 minutes before serving.