Yummy Mac and Cheese for a rainy Saturday afternoon:
Prepare the noodles as per the directions on their package. While noodles are being prepared, cut up the Cheese Food into smaller chunks, put them into a microwave-safe container with the milk and parsley. Nuke for about 5 minutes on 70% power. Drain the noodles, then combine the noodles and melted cheese mixture. Mix well. Enjoy.
Some ideas of how to change things up to make your mac and cheese more interesting: