A half spoon can be used for various tasks, such as scooping food from a container or stirring a beverage.  Depending on size, it can also be used as a utensil for eating. However, the most common use for a half spoon is to measure liquid or dry ingredients when baking.  When measuring with a half spoon, it is essential to use the proper size for the measured ingredient. Otherwise, the measurement will not be accurate.