One typical meal for us is spagetti - for 5 people, and usually one meal left over for my lunch the next day...
2/3 packet of spaghetti 1kg bag - $1 (often spaghetti is on special for 99c per packet, we'll buy 6 at a time, etc).
500gm/s premium mince - $3 approx. (from D'nong market)
Jar of...