This is a Blank Page Blog Post To create a blog post, select Add New under the tab on the right called Blog Posts. You will be asked to add a new block or choose a blank page. If you choose blank page, you can start typing when the screen appears.
If you choose Add Block, you will be taken to a page of predesigned templates you can use to create your post. Make a selection, then, Add it to your page.
To get the post to show up on your blog page, simply assign the category of Blog on the right and it will appear under the blog section. You can add new categories as well. They will appear in a dropdown called Categories on the Blog section of your website. Select a featured image in the lower right of your post page to add an image.