I won't post a link, since it's a competitor site, but if you Google Recipe Calculator, it's the first one that comes up. I use it all the time.
Some folks will also go a few days forward in FitDay to a blank log, enter the ingredients there, and then take the information from the totals and save as a custom food.
"If you drop an egg, you don't say, 'Oh, shoot' and drop the other 11, do you?"
-Source unknown, but obviously brilliant
Reached goal 4/16/2010...but kind of afraid to look these days