It is the pumpkin seed that is generally roasted and ground alone or with salt, depending on the region of the country this takes slight divergences.In the Yucatan Peninsula, in Mayan it is known as mux-bi sikil which literally means ground pumpkin seed. Generally, the seeds of the Xkaita gourd are used, the smaller seeds are the ones that are used to grind with all the peel and a little salt.