Cheesy Penne Pasta is a delicious and hearty 4-cheese casserole with incredible Italian flavors. There is nothing quite like a comforting casserole. I love hearty, traditional, tomato, cheesy, pasta bakes like this one. That was a mouthful, just like Cheesy Penne Pasta. It is nourishing, rich, savory and gooey. What makes this recipe particularly easy is