Stack cake Stack cake A stack cake is a unique regional variation that replaces a wedding cake, which can be prohibitively expensive in the economically deprived area of Appalachia, United States. Friends and family each bring a layer for the cake, and the bride's family spreads apple preserves, dried apples, or apple butter between each layer. A stack cake looks like a stack of thick pancakes. It is thought to have originated in the Beaumont Inn of Harrodsburg, Kentucky, by the original settler James Harrod. The greater the number of layers, the more popular the couple is considered. Many types of cake
Vegetable oil refining oil, known as a triterpene, which is transformed into alkanes by a different process. Based on its feedstock green diesel could be classified as biodiesel; however, based on the processing technology and chemical formula green diesel and biodiesel are different products. The chemical reaction commonly used to produce biodiesel is known as transesterification. Vegetable oil and alcohol are reacted, producing esters, or biodiesel, and the coproduct, glycerol. When refining vegetable oil, no glycerol is produced, only fuels. Various stages of converting renewable hydrocarbon fuels produced by hydrotreating is done throughout energy industry. Some commercial examples of vegetable oil refining are