Heat oil in a 26cm (top) frying pan over medium heat. Add chicken, green onion, zucchini and corn. Cook, stirring for 3 minutes or until zucchini is soft.
Meanwhile, preheat grill on medium. Whisk eggs, cream, cheese and garlic together in a jug. Season with salt and pepper. Pour over chicken mixture. Cook for 5 to 6 minutes or until almost set. Transfer to grill. Grill for 2 minutes or until golden and set. Serve.