Preheat oven to 175°c (350°f).
Boil pasta in salted water until al dente.
Drain.
Butter a large baking dish.
Add pasta.
Cut butter into cubes and toss with pasta.
Add heavy cream, 2 cups shredded cheese and broccoli.
Mix pasta to distribute.
Top with remaining shredded cheese.
Bake uncovered for 45-55 minutes until cheese is melty and bubbly.
Serve hot and enjoy.
