You should be able to export your private key at My wallet > more options > export wallet, and then putting in your password. Do this for your BCC address. You should then be able to make a new BTC account, but click "use an existing wallet key", and paste the BCC key in. That should load your BCC wallet into the BTC network and your Bitcoin should display there.
I had the same problem and the mentioned approach was part of my solution. By creating a new BTC account the author probably meant creating a new BTC wallet. But I had to delete my existing Bitcoin cash wallet first (AFTER I exported it and AFTER I saved the generated key) and then create a new BTC wallet with this exported key. Now I have my Bitcoins back.
I hope that will help someone with similar problems.