Want to win $500 worth of groceries from Coles? How about a year supply of groceries!?

Be watching Masterchef each night this week, look out for Ross and John on your screens, grab the code word, then tune in to Ross and John from 5.30am on 3AW for your chance to win.

RELATED: Ross and John speak with Masterchef judge Matt Preston

Watch a behind-the-scenes video with Ross and John below