12 servings. Use baked chicken breast strips, not rotisserie because it's too gritty/shredded for alfredo. 3 types 15 oz jars of Alfredo - Bertoli Classic, Bertoli Basil, Great Value Four Cheese. Add some parsley, onion powder, parmesan cheese, salt, and pepper before placing the foil on dish. Bake for 30 minutes, then stir and add 3/4 cup half and half. Leave the foil off and bake for 13 minutes. Stir again, then add 1 lb of shredded mozzarella cheese, and then bake for 10 more minutes.