Layer the ingredients in the prepared baking dish as follows: half of the cooked pasta, all the provolone cheese, all the sour cream, half of the sauce mixture, remaining pasta, mozzarella cheese, and ...
Add two-thirds of the cheddar (reserving some for topping), the mascarpone, mustard and cayenne and cook until the cheese has melted ... cheddar and Parmesan. Bake for 20–25 minutes, until ...