Hummingbird cake recipe in 1990 and was noted as the most requested recipe in the magazine's history. The cake typically has two or three layers with pecans (or walnuts), mashed bananas, crushed pineapple and cream cheese frosting. 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
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