I want my blog post to be displayed in full in my home page

I am building my very own blog https://gilltypleasure.com/
When you see the home page all you see is a preview mode of the post, I don’t want that, i want all post to be displayed completely. So it looks like a normal blog, and its easy to scroll down and see all the posts. The theme im working with has the blog feature, but only in preview mode on the home page. Is there a plugin i can use to make my blog a continuous one? I am very new at wordpress and a amateur at css or the editor, so if anyone knows how to fix this! It would be a dream!
Thank you in advance for the help!
-Andy