If there's one thing we know it's that nothing comes cheap these days, and that includes the food we much on on a daily basis. That's why MasterChef host Gregg Wallace and grocer Chris Bavin are on a mission to find out when shoppers should be willing to pay that little bit extra, or pinch their pennies during the weekly shop. Gregg says you should splash the cash for fish and chips, but Chris says he can serve them up on the cheap: Who'll win the blind taste test? Tune in to find out.