In the supermarkets down here the sell packets of Miso soup stock, dehydrated. There an ideal pocket size and the ones i buy come in a box of around 5. I like to add ramen noodles, veg and some peeper sauce and hey presto one bowl of soup.
These are a company that sell them :-
http://www.goodnessdirect.co.uk/cgi-...ets___48g.html
Bookmarks