Spain The Spanish tortilla de patatas, or tortilla española in other Spanish-speaking countries, is a traditional and very popular thick omelette containing sliced potatoes sautéed in cooking oil. It often includes sliced onions (tortilla de patata con cebolla) and less commonly other additional fillings, such as cheese, bell peppers, or diced ham.
Spain The Spanish tortilla de patatas, or tortilla española in other Spanish-speaking countries, is a traditional and very popular thick omelette containing sliced potatoes sautéed in cooking oil. It often includes sliced onions (tortilla de patata con cebolla) and less commonly other additional fi?llings, such as cheese, bell peppers, or diced ham.