How do you  defrost and cook leftover pasta?
 1 Add leftover pasta to your favorite soup.
2 If you use dry pasta, simmer the soup for an additional 5 to 10 minutes or until the pasta is cooked.
3 Make mealtime more enjoyable by serving different, fun shapes – stars, letters, wheels and the all-time kid favorite … spaghetti. Boil 4 to 6 quarts of water for each pound of dry pasta. 