Spanish omelette 16,000 eggs, of oil, of onions, and of salt. Spanish omelette Spanish omelette is the English name for a traditional dish from Spanish cuisine called tortilla española, tortilla de patatas or tortilla de papas. It is an omelette made with eggs and potatoes, sometimes also with onion and/or chives or garlic; fried in oil and often served cold as an appetizer. It is part of the cuisine of Spain. In Spanish "tortilla" is the diminutive form of "torta", cake; this dish is called "tortilla de patatas" or "tortilla española" to distinguish it from a plain omelette ("tortilla francesa", literally ""French
Vegetable oil refining Vegetable oil refining Vegetable oil refining is a process to transform vegetable oil into biofuel by hydrocracking or hydrogenation. Hydrocracking breaks big molecules into smaller ones using hydrogen while hydrogenation adds hydrogen to molecules. These methods can be used for production of gasoline, diesel, propane, and other chemical feedstock. Diesel fuel produced from these sources is known as "green diesel" or "renewable diesel". The majority of plant and animal oils are vegetable oils which are triglycerides—suitable for refining. Refinery feedstock includes canola, algae, jatropha, salicornia, palm oil, and tallow. One type of algae, Botryococcus braunii produces a different type of