Soylent green
From sciforums_encyclopedia
Soylent green is a type of thin, green, square, and usually savory biscuit.
Despite the current absence of crops and farm animals, you can rest assured soylent green is made from the safest, most high quality, and nutritious ingredients. It can also be said in confidence that there's plenty of it to go around, and more can be produced quickly in the unlikely event of a shortage.
Trivia
In East Korea, it's made out of sheeple.
