Aside from America's Next Top Model's Tyra Banks -- how many reality show judges have we actually seen practice what they preach?

Later this week, chef Tom Colicchio will be adding his name to that short list.

Although Bravo is not currently airing Top Chef Masters, we will see one in action this Wednesday on Top Chef: All-Stars. Always wondered how Colicchio would fare in one of the program's "Quickfire" challenges? Check out the preview above.