Studying role models and more importantly, analyzing how their content is developed and presented will move you further along the learning curve.

Some of the characteristics of successful bloggers:

Writing in a 1st person style, creating a “you are there” experience
Engaging the reader fully on a “heart and mind” level
Creating a reader community and interacting with them.”

True, it really is hard to make an entertaining/engaging blog yet informative. Apart from the characteristics or the things successful bloggers do, I think being yourself when writing helps a lot too. Aside from that you should also know your focus and your target audience. Lastly, you could also write about a topic that really interests you and is useful to your readers. That way you won’t be too stiff but comfortable with what you are doing.