Stimulant brew containing "mateine", similar to the caffeine.
The their Genuine River Plate costumes arise from it.

The desiccating "mate"leaves represented a group of virtudes for the ancient aborigines previous to the Spanish conquests. Its consumption grew bigger when in the XVII centrury the Jesuits, who were settled in the province of Misiones, began the task of growing this plant carefully. the" mate" is prepared in a pumpkin bowl, which used to be attractively decorated.
It is drunk by means of a strow with a strainer and the end called "bombilla". The ingredients are:"yerba mate", sugar at your discretion and hot water.

In meetings with friends, long drinkings of "mate" are held (one " mate" is poured for each guest alternatly) which shows the spirit of the creole hospitality.