The main three types of yeast which are commonly used are; instant yeast, active dried yeast, and fresh yeast. u003cbr/u003eu003cbr/u003eInstant and active dried yeast are often used in a similar way and some recipes will ask that you put them right into a mix, while others will make you activate or prove them for around 10 minutes.u003cbr/u003eu003cbr/u003eWhile some would say it is not worth doing the proving process, it is a good way to check if your dried yeast is still working, and it is usually best to follow recipes for things as specific as bread just to save the heartache of your bread not working.u003cbr/u003eu003cbr/u003eThe other most common form of yeast is fresh yeast. This yeast is usually more expensive and will go bad sooner, however it makes up for this by having the best flavor when you use it.u003cbr/u003eu003cbr/u003eThis is the best yeast to use on special occasions, and is not actually that hard to work with, just make sure to only buy as much as you need as it will go bad quite quickly!