Cook the cavatappi in a saucepot according to the package directions
While the cavatappi is cooking, heat the oven to 375°F
Drain the cavatappi in a colander and return to the saucepot
Stir in the soup, 3 cups cheese, milk and cayenne pepper
Spoon the mixture into a 3-quart baking dish
Mix the panko, butter and remaining¼ cupcheese
Sprinkle the panko mixture over the cavatappi mixture
Bake for 20 minutes or until hot and the panko mixture is golden brown
