Over the course of a week, I sampled meal deals from Tesco, Sainsbury's, Asda and Co-Op - and there was one clear winner. View 5 Images The Asda meal deal was a less than desirable mix of flavours (Image: Danny Gutmann)AsdaOf all the meal deals tested, Asda's offering was by far the most surprising. But the other two elements of the meal deal – a "white Twix extra" and a "Naked blue machine" – didn't totally go together. The Co-Op succeeded in claiming the top spot with its delightful bacon and chicken sandwich. It proved substantial enough to serve as a main course on its own – demonstrating the exceptional value the meal deal offered – and delivered genuinely delicious flavours.