Micaela Ruiz Téllez, "La Colchona" Curiosity · Estepa, Sierra Sur, Seville Image of Estepa, not of the place itself. Micaela Ruiz Téllez, known as "La Colchona", is credited with launching the mantecado (shortbread) industry in Estepa in 1899. 1899 Photo: Frobles (CC BY-SA 4.0) What to see and do in Estepa