The first thing to consider is the flavor. Some brands offer a variety of flavors, while others are limited to one flavor. If you're looking for something specific, be sure to choose a brand with a variety of flavors.
Another thing to consider is the preparation. Some brands require you to cook the macaroni and cheese yourself, while others are ready to eat straight out of the package. If you're looking for something easy to prepare, choose a pre-packaged option.
Ultimately, the best packaged macaroni and cheese is the one that you enjoy the most. If you're looking for something specific, be sure to read the reviews to find the best option.