KOIN TV hosted a morning cooking show called KOIN Kitchen
The show was originally hosted by Lois DeVore. Horst first appeared as a guest chef on Mondays.
Horst assumed the host role full-time when Lois wanted to retire in the early 70's. The show aired Monday through Friday, 9-10am until 1978.
Horst had many prominent guest on the show, including Julia Child, James Beard, James Mason, and Mayor Neil Goldschmidt.