Speedy macaroni and cheese

Instructions

1. Cook the pasta in a saucepan of boiling salted water, following packet directions or until al dente. Drain. Return to pan.
2. Whisk the milk and cornflour in a jug until smooth. Pour milk mixture over pasta. Place over medium heat and cook, stirring, for 2-3 minutes or until thickened. Stir in the sour cream, parmesan and corn. Cook, stirring, for 1 minute or until the parmesan melts and corn is heated through. Top with chives to serve.