A staple food
is a basic but nutritious food
that forms the basis of a traditional diet
, particularly that of the poor.
Although nutritious, staple foods generally do not by themselves provide a full range of nutrients
, so other foods need to be added to the diet to prevent malnutrition
Staple foods vary from place to place, but include:
It has been hypothesised that some staple foods may act as a Giffen good
in conditions of extreme poverty.