As you research the post subject, jot down major points and sources if need be. Make an outline around those major points. Write your article based on the outline using short sentences with vocabulary around high school level. Break content into small chunks. Always try to correct things to get SEO readability. Write what you would take time to read.

Research your niche, see what you find. Get some ideas and write it down. Looking at other sites or getting books from the library will help

Hope this will help How to write a good blog post