When I first started blogging I used the tutorial from Ladybug's Teacher Files. She has amazing tutorials for everything! She used Hey Paste It. But I've been having trouble with Hey Paste It lately so I went in search of another solution.
It's super simple. Here's the basic code
<a href= "http://yourblogaddresshere">your blog name here</a>
I just saved my code so I can access it anytime. Super simple!