Spanish omelette wheat tortilla of Mexico and neighbouring countries, which is a thin flatbread. In most of Hispanic America, where both the flatbread and potato omelette are eaten, the omelette is called "tortilla española" to distinguish it from the maize tortilla of the region. Because the potato is called "papa" in much of Hispanic America (instead of the term "patata" used in Spain), this dish can sometimes be referred to as "tortilla de papas" in that region as well. The Spanish tortilla ("tortilla de patatas" in Spain) is widely eaten in Spain and some Spanish-speaking countries. While there are numerous regional variations,
Vegetable oil Vegetable oil Vegetable oils, or vegetable fats, are fats extracted from seeds, or less often, from other parts of fruits. Like animal fats, vegetable fats are "mixtures" of triglycerides. Soybean oil, rapeseed oil, and cocoa butter are examples of fats from seeds. Olive oil, palm oil, and rice bran oil are example of fats from other parts of fruits. In common usage, vegetable "oil" may refer exclusively to vegetable fats which are liquid at room temperature. Oils extracted from plants have been used since ancient times and in many cultures. As an example, in a 4,000-year-old kitchen unearthed in Indiana's