Chicken Tetrazzini

1 pound linguini pasta, cooked

1/2 cup soft butter

4 chicken breasts, cooked and cut up

2 cans cream of chicken soup

2 cups sour cream

1 teaspoon salt

1/2 teaspoon pepper

2 tablespoons Parmesan cheese

2 cups mozzarella cheese, shredded

In a large bowl combine butter, chicken, soup, sour cream, salt and pepper. Add cooked pasta and mix well. Pour mixture into a greased 9-by-13 pan. Sprinkle cheeses on top. Bake at 350 degrees for 40-45 minutes.