Sponge cake as an element of the dessert in the Passover meal during the Seder service, when it is often combined in serving with a fruit compote. Sponge cake Sponge cake is a cake based on flour (usually wheat flour), sugar, butter and eggs, and is sometimes leavened with baking powder. It has a firm yet well-aerated structure, similar to a sea sponge. In the United Kingdom a sponge cake is produced using the batter method, while in the US cakes made using the batter method are known as butter or pound cakes. Two common British batter-method sponge cakes are the layered
Vegetable oil recycling has various names including green diesel or renewable diesel. In the past waste oils were collected by pig farmers as part of food waste from pig swill bins. The grease was skimmed off the swill tanks and sold for further processing, while the remaining swill was processed into pig food. Vegetable oil recycling Vegetable oil recycling is increasingly being carried out to produce a vegetable oil fuel. In the UK, waste cooking oil collection is governed by the environment agency. All waste cooking oil collections need to be carried out by a company registered as a waste carrier by the