A very Quick MRE found at the local supermarket, just reheat in a few minutes.

Tilda Lime & Coriander Steamed Basmati Rice (250g)

John West Tuna Fillet in Sweet Thai Red Chilli (142g)

Some other product lines I find useful

http://www.ainsley-harriott.com/products/

http://www.lookwhatwefound.co.uk/Page/ProductsByCategory.aspx?CatID=1

And for freeze dried

http://www.expeditionfoods.com/expedition-foods/freeze-dried/high-energy-serving.html

And if desperate the infamous Vesta Beef Curry

http://www.mysupermarket.co.uk/#/asda-co..._rice_236g.html

1000Kcal in a 236 gram package

I recently tried one of these on a recent fishing trip. One of my fishing buddies was amazed, thinking that it dated from the 1970s not knowing that these were still available.