Bring the water and milk to the boil in a saucepan and add the pasta, garlic and salt. Cook for 5 minutes. Strain and put the pasta back into the pan with the cream and cook until the pasta is cooked.
Finish
Add 2/3 of the parmesan cheese and put the pasta in a buttered dish. Sprinkle with the rest of the cheese and drizzle with melted butter. Then grate under the grill until the top is brown.