1) You must have cookies enabled for this site.
2) Instead of deleting all of your cookies - exit the internet, close your browser, and go into your cookie folder. Delete all cookies with discusscooking in the name. Reboot, and log in again.
Let me know if this solves your problem.
"It ain't what you don't know that gets you in trouble. It's what you know for sure that just ain't so." - Mark Twain