Bring a large pot of water to a boil and add a generous amount of salt. Peel and chop the potatoes into medium-sized cubes and roughly chop the cabbage. Cut the cheese into small cubes and finely chop or crush the garlic.
Add the potatoes to the boiling water and boil for 2-3 minutes. Add the cabbage and pasta to the pot and boil for another 10 minutes.
Meanwhile, add the onion, garlic and butter to a small pan and fry for 1-2 minutes, don't let it brown, set aside.
Drain the pasta and vegetables then add it back into the pot. Add the cheese and melted butter and mix it all together until the cheese has melted and the garlic butter has coated everything, Season with an extra pinch of salt and pepper and serve hot.
