The staple food of the Vedic Aryan was?

Milk and its products were used by the Vedic Aryan as a staple food. A staple food, food staple, or simply a staple, is a food that is eaten routinely and in such quantities that it constitutes a dominant portion of a standard diet for a given people, supplying a large fraction of energy needs and generally forming a significant proportion of the intake of other nutrients as well.