Cream

This is the portion of milk that rises to the top when milk has not been homogenized. Cream is defined by its varying amounts of butterfat content. Half and half cream is a mixture of milk and cream resulting in a butterfat content of 12%. Sour cream and light cream have a butterfat content of 18-20%. Heavy cream will have no less than 30% butterfat averages around 36% and will go as high as 40%.