Add a few nutrients to your mac and cheese with this spinach version. It's perfect as a fancier spin on a traditional dorm food.
Cook elbow noodles until tender as per package instructions. Drain noodles.
Return pasta to hot pot and add Cheddar and mozzarella cheeses, milk, and pepper. Stir constantly with heat temperature on low until cheese is melted.
Sprinkle Parmigiano-Reggiano on top, serve, and enjoy!