Originally Posted by
Rorschach
You can get free-range eggs for about 10p each in bulk. 60p for a mighty breakfast omelette that a growing man should have no problem polishing off.
Tinned sardines go for 30p a can, tuna's even cheaper in bulk (though less nutritious). Sardines aren't the tastiest of fish, but them's good eatin'.
Own-brand mixed nuts, cheap mince, own-brand frozen mixed veg, etc etc. Put a bit of planning into your shop, buy in bulk where you can, and avoid frivolities.
You can get a lot of decent calories on a tight budget, it just requires more effort/discipline.