Pre-packaged sandwiches are one of life’s great conveniences. They are the answer to what to eat on the go, are usually ...

In this comparison, I picked out a BLT sandwich from some of Britain's most popular supermarkets in Asda, Tesco, Morrisons, Sainsbury's and M&A.

In this comparison, I picked out a BLT sandwich from some of Britain's most popular supermarkets in Asda, Tesco, Morrisons, Sainsbury's and M&A.