Pre heat oven to 350° F Boil pasta in lightly salted water till al dente. Drain and mix in butter, heavy cream, broth, pepper, salt, onion powder and garlic powder, alfredo sauce, cream soup, tuna and peas and carrots mixing well. Place mixture into a lightly greased 8 * 8 inch baking dish and top with shredded cheese, crushed potato chips and fried onions. Bake for 20 to 25 minutes