Often, Columbo characters were very loosely based on cultural figures of the day. At the time of that episode, there was a very popular "celebrity chef" (before the term even existed) named Graham Kerr. He had a program called "The Galloping Gourmet." Here's a sampling, which I think you'll agree, has some similarities to that scene from this episode.

https://www.youtube.com/watch?v=31lxWYwHJ_s

My favorite celebrity chef was the New Orleans Cajun cook who would say things like: "Makes it a little more betterer there". I could watch that guy all day:

https://www.youtube.com/watch?v=eK4umRMJlrs