With any food purchse in M & S now you get a voucher book it contains a couple of £3 off £15 spent on food, wine, flowers and another couple of £4 off £20 spends
essesntially you can get 2 lots of the 2 can dine range for £16. I got my voucher book with a £1.50 sandwich at the till.
Wasnt sure whether to put this as a voucher or a combined deal with thegroutch 2 can dine find 1 side 1 main, 1 desert, 1 bottle wine or other drinks. http://www.hotukdeals.com/item/696130/m-s-dine-for-two-10-thursday-10th-j?page=2