"Yum-o!" "Deelish!" Expect to hear these and other Rachael Ray catchphrases often during her 500th episode, airing tomorrow, April 1 at 2 p.m. (check your local listings).

In addition to appearances by Matthew McConaughey and Barbara Walters, the landmark show will feature the Jen Ultimate Oatmeal Cherry Cookie, made by Barrington, Illinois' own Jennie and Vera's Cookies.

This will be the second time the perky host has showcased the treat, so she must really love it...or else Jennie and Vera have some major dirt on Ray. Perhaps some photos of her drinking from a coffee cup from Starbucks instead of her beloved Dunkin' Donuts?

In any case, have some local pride and tune into the show tomorrow. Just be warned, you'll probably end up with a virtual shopping cart full of cookies before the hour's up.