Definition of tapas

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WHAT IS TAPAS?
Originally, and still in some bars today. Tapas were simply a few olives or almonds, and perhaps a selection of cheeses, sausages, and serrano ham and possibly cubes of tortilla served, often free, to accompany a glass of fino sherry.

But nowadays, tapas have come to encompass more or less any hot or cold dish that can be served in small portions, and they may be quite substantial.
They are displayed along the length of the counter of a bar or caf to be ordered in a group, or individually. Although quintessentially Spanish, tapas are so well-suited to today's style of casual eating, that they have caught the popular imagination outside Spain. A selection of tapas is ideal for an interesting informal meal, and they are wonderful fare for a party, buffet, picnic or barbecue.

Most can be made quickly and easily, a great many can be made in advance and served at room temperature while others can be partly prepared and then finished at the last minute before serving.