The things poor people eat all around the world: - rice - beans - soy - potatoes - fish - veggies (anything dark but not too expensive) The real key to a good-tasting meal is freshness, even with simple foods. Seasoning is like makeup for food.
+1 for freshness 'real' food has 'bio-sensor' ... you can tell just by looking, that a fruit/veggie is bad it's much harder to 'sense' that in processed food i find that fruit/veg is harder to fool with, maybe having to do with its low price (not much incentive to cheat) in my country we got rotten meats cleaned with formaldehyde and then soaked in fresh blood to be sold along with fresh meats ... such thing is unhea…
I'm not sure why, as a vegetarian, you feel you don't need to worry about avian flu. You catch it by being in close proximity to live poultry, not by eating it. As you've already said that your meat is dead when you buy it I don't see how your risk is any less than mine.