Spanish omelette tortilla") to be eaten as a finger food. The first reference to the tortilla in Spanish is found in a Navarrese document, as an anonymous "Mousehole's memorial" addressed to the Navarra region's court in 1817. It explains the sparse conditions of Navarre's farmers in contrast with those in Pamplona (the capital) and la Ribera (in southern Navarre). After listing the sparse food eaten by highlanders, the next quote follows: "…two to three eggs in tortilla for 5 or 6 [people] as our women do know how to make it big and thick with less eggs, mixing potatoes, breadcrumbs or whatever."
Vegetable ivory requires hacksaws and files. Vegetable ivory is naturally white with a fine marbled grain structure. It can be dyed; dying often brings out the grain. It is still commonly used in buttons, jewelry, and artistic carving. Many vegetable ivory buttons were decorated in a way that used the natural tagua nut colour as contrast to dyed surface, because the dye did not penetrate deeper than the very first layer. This also helps identify the material. Vegetable ivory Vegetable ivory or tagua nut is a product made from the very hard white endosperm of the seeds of certain palm trees. Vegetable