Autarky is the art of creating food alternatives.

autarky: is an economy that is self -sufficient that does not take part in international trade.

Autarky' is a noun, and it means the state of economic independence or self sufficiency. Alternatively, it can mean a country or society that displays qualities of economic independence.

Yes. Autarky is defined as being completely self-sufficient, as a country, in the production of goods and services. North Korea is a perfect example of why attempting autarky in a modern economy is completely nonsensical. No country can provide all of the types of raw materials and foodstuffs necessary to sustain the levels of population and industrial production prevalent in any modern society.

Autarky is the word that you are looking for.