Camping/Trekking food

[zasterguava]

Im going on a 14-20 day trek in January. There will be nowhere to get food on the way and I will be equiped only with a Billy and gas stove. What's the best food to take with me. Freeze-dry food would perhaps be my best option but its too expesnive to have available for each day. My thought is to take rice to last the trip, porridge, energy bars, eggs, and a few freeze-dry meals. Can anyone reccomend me what to take that meets the criteria of being lightweight, cheap and provide me with enough energy and generally suitable. I will only be drinking water which will be readilly available at intervals along the trek.

I like the idea of taking lots of rice but I really need something to go with it and a more variable diet.
Thanks