This $3 tool from Hobby Lobby is the key to making easy pom poms at home!
Secure one piece of cut yarn in the middle of the pom pom tool.
Take ball of yarn and wrap around tool in various directions leaving top open (See video at end for more details.)
Lift first piece of string up and around tool tying loosely to secure
Insert scissors into one side of the tool and cut, repeat on other side.
Slide pom pom off maker gently. Tie around middle, fluff, and trim if necessary