Bilbao almonds), rice cakes and "bollos de mantequilla" (butter buns). Bilbao, as other Basque cities, is known for a variety of appetizers and snacks, being prominent among them the "pintxos", which are typically eaten in bars and that consist of small slices of bread on top of which is placed an ingredient or mixture of ingredients, generally of many different types and usually including elements typical of Basque cuisine. Other snacks include "rabas" (fried or battered calamari rings, usually served with lemon slices), Spanish omelette (omelette made with eggs and potatoes, sometimes including onions and peppers), "txampis" (stuffed mushrooms), "triángulos" (Bilbao-style
Spanish omelette Other ingredients such as green or red peppers, chorizo or other sausage, tuna, shrimp or different vegetables, may also be included as well, although the result is not strictly a tortilla de patatas/papas. The Spanish government nutrition web site specifies extra virgin olive oil and includes onion, but some recipes simply state vegetable oil. The tortilla may be eaten hot or cold; it is commonly served as a "tapa" or picnic dish throughout Spain. As a tapa, it may be cut into bite-size pieces and served on cocktail sticks; a large tortilla can be cut into triangular portions ("pincho de