Shoppers are just discovering ‘hidden’ Sainsbury’s meal deal trick that lets you get more for your money

SAINSBURY'S shoppers have discovered a little-known hack to take a supermarket meal deal to the next level. For many of us, heading to Sainsbury's to pick up a sandwich, packet of crisps and a fizzy drink is a regular occurrence when an affordable and speedy lunch is needed. But some fans of the grocery giant...