This code adds the blog name to your single post breadcrumbs when using the Genesis Blog Page Template.
We go from this :
To this :
Note : You will need to swap out 2 instances of the I.D for your blog page in the code. In this example, the blog page id is 248.
Add the code to the end of your child themes functions.php file.
This code also enables you to modify the default output for the breadcrumbs shown on single posts in any Genesis child theme.