Hummingbird cake Hummingbird cake Hummingbird cake is a banana-pineapple spice cake common in the Southern United States. Ingredients include flour, sugar, salt, vegetable oil, ripe banana, pineapple, cinnamon, pecans, vanilla extract, eggs, and leavening agent. It is often served with cream cheese frosting Created on the island of Jamaica, hummingbird cake was named after the island's national bird, where it is also known as the Doctor Bird cake (Doctor Bird is another name for the island's national bird). In 1979, the Jamaica Tourist Board exported the recipe for hummingbird cake, along with other local Jamaican recipes, in media press kits sent to
Vegetable oil recycling which are sometimes compensated by cooking oil recyclers for their used deep fryer oil. Cooking oil recycling also results in less used oil being disposed of in drains, which can clog sewage lines due to the build-up of fats and has to be collected there as "brown grease" by grease traps. Vegetable oil refining is a process to transform vegetable oil into fuel by hydrocracking or hydrogenation. Hydrocracking breaks larger molecules into smaller ones using hydrogen while hydrogenation adds hydrogen to molecules. These methods can be used for production of gasoline, diesel, and propane. The diesel fuel that is produced