Yemas de Santa Teresa or Yemas de Ávila is a pastry that is identified with the Spanish province of Ávila. Its fame has spread across the country and they can be bought throughout Spain but typically they are a souvenir connected with the city of Ávila.
They are very popular for their distinctive look: small orange balls served in a white confectionery paper and are made to honor Teresa of Ávila.
A similar confection of egg yolk and sugar is used in the San Marcos cake, associated with the Convent of San Marcos, also in Castile and León.
A possible derivative known as yema is also a popular delicacy in the Philippines, a former colony of Spain. However, they are commonly made as small pyramids or balls and sold as confectioneries rather than pastries. See also a related Portuguese family of sweets including fios de ovos and Papo de Anjo.