A Spanish omelette, also known as tortilla española, is a traditional dish from Spain made primarily with eggs, potatoes, and onions. The ingredients are cooked together in a skillet until the eggs are set, creating a thick, hearty omelette. It is often served as a tapa or a main dish and can be enjoyed hot or cold. This dish is popular for its simplicity and versatility, allowing for variations that may include additional ingredients like peppers or chorizo. The Spanish omelette is a staple in Spanish cuisine and is loved for its comforting flavors and satisfying texture.