1. Bring a large pot of water to the boil. Cook the pasta according to the packet instructions.
2. When pasta is cooked, drain the pasta reserving 1/4 cup of pasta water. Return pasta to the pot, stir through the VEGEMITE & Cheese, and reserved water. Stir over low heat until the pasta is coated.
3. Add the grated cheese and stir to combine.
4. Remove from heat and divide between 4 bowls. Garnish with chives.